Properties of the Number 31113

Thirty-One Thousand One Hundred Thirteen

Basics

Value: 31112 → 31113 → 31114

Parity: odd

Prime: No

Previous Prime: 31091

Next Prime: 31121

Digit Sum: 9

Digital Root: 9

Palindrome: Yes

Factorization: 3 ² × 3457

Divisors: 1, 3, 9, 3457, 10371, 31113

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 111100110001001

Octal: 74611

Duodecimal: 16009

Hexadecimal: 7989

Square: 968018769

Square Root: 176.3887751530692

Classification

Fibonacci: No

Bell Number: No

Factorial Number: No

Regular Number: No

Perfect Number: No

Special

Kaprekar Constant: No

Munchausen Constant: No

Armstrong Number: No

Kaprekar Number: No

Catalan Number: No

Vampire Number: No

Taxicab Number: No

Super Prime: No

Friedman Number: No

Fermat Number: No

Cullen Number: No

OEIS Sequences

Numbers with multiplicative digital root value 9. A34056

T(n,k)=Number of 0..k arrays x(0..n+1) of n+2 elements without any two consecutive increases or two consecutive decreases. A200838

a(n) = 3·a(n-1) - a(n-2) + a(n-3), a(0)=1,a(1)=1,a(2)=3. A98182

Multiples of 9 in which there is no common digit in successive terms. A83497

Numbers with at least 2 distinct digits and whose "rotations" (including the number itself) are multiples of these digits; repeated digits allowed but digit 0 not allowed. A66484

Base-10 palindromes that starts with 3. A43038

Palindromic concatenation of prime divisors of numbers from A192137. A192138

Concatenation of n in base 2 up to base 10 and n in base 10 down to base 2 is prime, all numbers are interpreted as decimals. A54258

Palindromes in A082939. A82940

Palindromes in A083114. A83115