113407931 has 8 divisors (see below), whose sum is σ = 139579104. Its totient is φ = 89729280.

The previous prime is 113407913. The next prime is 113407933. The reversal of 113407931 is 139704311.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113407931 is a prime.

It is a super-2 number, since 2×113407931² = 25722717627401522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 113407894 and 113407903.

It is not an unprimeable number, because it can be changed into a prime (113407933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 623030 + ... + 623211.

It is an arithmetic number, because the mean of its divisors is an integer number (17447388).

Almost surely, 2^113407931 is an apocalyptic number.

113407931 is a deficient number, since it is larger than the sum of its proper divisors (26171173).

113407931 is a wasteful number, since it uses less digits than its factorization.

113407931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1246261.

The product of its (nonzero) digits is 2268, while the sum is 29.

The square root of 113407931 is about 10649.3159874238. The cubic root of 113407931 is about 484.0398775854.

The spelling of 113407931 in words is "one hundred thirteen million, four hundred seven thousand, nine hundred thirty-one".