113129331 has 8 divisors (see below), whose sum is σ = 172387584. Its totient is φ = 64645320.

The previous prime is 113129327. The next prime is 113129347. The reversal of 113129331 is 133921311.

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

It is not a de Polignac number, because 113129331 - 2² = 113129327 is a prime.

It is a super-2 number, since 2×113129331² = 25596491065015122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (113129321) 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, 2693535 + ... + 2693576.

It is an arithmetic number, because the mean of its divisors is an integer number (21548448).

Almost surely, 2^113129331 is an apocalyptic number.

113129331 is a deficient number, since it is larger than the sum of its proper divisors (59258253).

113129331 is an equidigital number, since it uses as much as digits as its factorization.

113129331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5387121.

The product of its digits is 486, while the sum is 24.

The square root of 113129331 is about 10636.2272916669. The cubic root of 113129331 is about 483.6431854918.

The spelling of 113129331 in words is "one hundred thirteen million, one hundred twenty-nine thousand, three hundred thirty-one".