113158031 has 8 divisors (see below), whose sum is σ = 130099200. Its totient is φ = 96410808.

The previous prime is 113158009. The next prime is 113158037. The reversal of 113158031 is 130851311.

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-113158031 is a prime.

It is a super-2 number, since 2×113158031² = 25609479959593922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 113157988 and 113158006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113158037) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47231 + ... + 49568.

It is an arithmetic number, because the mean of its divisors is an integer number (16262400).

Almost surely, 2^113158031 is an apocalyptic number.

113158031 is a deficient number, since it is larger than the sum of its proper divisors (16941169).

113158031 is an equidigital number, since it uses as much as digits as its factorization.

113158031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96973.

The product of its (nonzero) digits is 360, while the sum is 23.

The square root of 113158031 is about 10637.5763687035. The cubic root of 113158031 is about 483.6840808272.

The spelling of 113158031 in words is "one hundred thirteen million, one hundred fifty-eight thousand, thirty-one".