Properties of the Number 31031

Thirty-One Thousand Thirty-One

Basics

Value: 31030 → 31031 → 31032

Parity: odd

Prime: No

Previous Prime: 31019

Next Prime: 31033

Digit Sum: 8

Digital Root: 8

Palindrome: No

Factorization: 7 × 11 × 13 × 31

Divisors: 1, 7, 11, 13, 31, 77, 91, 143, 217, 341

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 111100100110111

Octal: 74467

Duodecimal: 15B5B

Hexadecimal: 7937

Square: 962922961

Square Root: 176.1561807033747

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

Number of sticky functions: endofunctions of [n] having a fixed point. A45531

Nexus numbers (n+1)⁶ - n⁶. A22522

a(n) = n*(n+1)*(n+2)*(n+3)*(1+3·n+n²)/120. A101094

a(n) = 6ⁿ - 5ⁿ. A5062

Number T(n,k) of endofunctions on [n] where the smallest cycle length equals k; triangle T(n,k), n>=0, 0<=k<=n, read by rows. A246049

5-Stirling numbers of the second kind. A193685

Triangle read by rows. The Bell transform of the sequence {m^m | m >= 0}. A354794

Numbers that are the sum of four third powers in seven or more ways. A345150

Coefficients of even-indexed Euler polynomials (rising powers without zeros). A60083

Triangular array read by rows, T(n,k) is the number of functions from {1,2,...,n} into {1,2,...,n} with maximum value of k. A199656