113402331 has 12 divisors (see below), whose sum is σ = 187203952. Its totient is φ = 64801296.

The previous prime is 113402329. The next prime is 113402363. The reversal of 113402331 is 133204311.

It is not a de Polignac number, because 113402331 - 2¹ = 113402329 is a prime.

It is a super-2 number, since 2×113402331² = 25720177352467122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113402381) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 899956 + ... + 900081.

Almost surely, 2^113402331 is an apocalyptic number.

113402331 is a deficient number, since it is larger than the sum of its proper divisors (73801621).

113402331 is a wasteful number, since it uses less digits than its factorization.

113402331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1800050 (or 1800047 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 113402331 is about 10649.0530564929. The cubic root of 113402331 is about 484.0319102769.

Adding to 113402331 its reverse (133204311), we get a palindrome (246606642).

The spelling of 113402331 in words is "one hundred thirteen million, four hundred two thousand, three hundred thirty-one".