113033431 has 16 divisors (see below), whose sum is σ = 135235584. Its totient is φ = 92372544.

The previous prime is 113033423. The next prime is 113033441. The reversal of 113033431 is 134330311.

It is a cyclic number.

It is not a de Polignac number, because 113033431 - 2³ = 113033423 is a prime.

It is a super-2 number, since 2×113033431² = 25553113047263522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 113033399 and 113033408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113033441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58131 + ... + 60043.

It is an arithmetic number, because the mean of its divisors is an integer number (8452224).

Almost surely, 2^113033431 is an apocalyptic number.

113033431 is a deficient number, since it is larger than the sum of its proper divisors (22202153).

113033431 is a wasteful number, since it uses less digits than its factorization.

113033431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2310.

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 113033431 is about 10631.7181584164. The cubic root of 113033431 is about 483.5064850355.

Adding to 113033431 its reverse (134330311), we get a palindrome (247363742).

The spelling of 113033431 in words is "one hundred thirteen million, thirty-three thousand, four hundred thirty-one".