Properties of the Number 31331

Thirty-One Thousand Three Hundred Thirty-One

Basics

Value: 31330 → 31331 → 31332

Parity: odd

Prime: No

Previous Prime: 31327

Next Prime: 31333

Digit Sum: 11

Digital Root: 2

Palindrome: No

Factorization: 17 × 19 × 97

Divisors: 1, 17, 19, 97, 323, 1649, 1843, 31331

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 111101001100011

Octal: 75143

Duodecimal: 1616B

Hexadecimal: 7a63

Square: 981631561

Square Root: 177.00564962734947

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

Repfigit (REPetitive FIbonacci-like diGIT) numbers (or Keith numbers). A7629

Numbers that are the sum of six fourth powers in five or more ways. A345562

Numbers that are the sum of six fourth powers in exactly five ways. A345817

Numbers that are the sum of seven fourth powers in exactly seven ways. A345829

Number of polyforms with n cells on the faces of a pentagonal icositetrahedron up to rotation. A383808

Triangle T(n,k) of numbers with e.g.f. exp((exp((1+x)*y)-1)/(1+x)), k=0..n-1. A59340

Number of minimum total dominating sets in the n-antiprism graph. A302652

Keith numbers together with the numbers from 0 through 9. A130010

List of primitive words over the alphabet {1,3}. A213970

Primitive repfigit numbers. A6576