113452131 has 32 divisors (see below), whose sum is σ = 167544832. Its totient is φ = 67858560.

The previous prime is 113452121. The next prime is 113452133. The reversal of 113452131 is 131254311.

It is not a de Polignac number, because 113452131 - 2⁵ = 113452099 is a prime.

It is a super-2 number, since 2×113452131² = 25742772056882322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 113452098 and 113452107.

It is not an unprimeable number, because it can be changed into a prime (113452133) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 244806 + ... + 245268.

It is an arithmetic number, because the mean of its divisors is an integer number (5235776).

Almost surely, 2^113452131 is an apocalyptic number.

113452131 is a deficient number, since it is larger than the sum of its proper divisors (54092701).

113452131 is a wasteful number, since it uses less digits than its factorization.

113452131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 643.

The product of its digits is 360, while the sum is 21.

The square root of 113452131 is about 10651.3910359164. The cubic root of 113452131 is about 484.1027532107.

The spelling of 113452131 in words is "one hundred thirteen million, four hundred fifty-two thousand, one hundred thirty-one".