113431115 has 16 divisors (see below), whose sum is σ = 156149760. Its totient is φ = 77487840.

The previous prime is 113431081. The next prime is 113431117. The reversal of 113431115 is 511134311.

It is not a de Polignac number, because 113431115 - 2⁸ = 113430859 is a prime.

It is not an unprimeable number, because it can be changed into a prime (113431117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3506 + ... + 15464.

It is an arithmetic number, because the mean of its divisors is an integer number (9759360).

Almost surely, 2^113431115 is an apocalyptic number.

113431115 is a deficient number, since it is larger than the sum of its proper divisors (42718645).

113431115 is a wasteful number, since it uses less digits than its factorization.

113431115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12242.

The product of its digits is 180, while the sum is 20.

The square root of 113431115 is about 10650.4044524140. The cubic root of 113431115 is about 484.0728594524.

Adding to 113431115 its reverse (511134311), we get a palindrome (624565426).

The spelling of 113431115 in words is "one hundred thirteen million, four hundred thirty-one thousand, one hundred fifteen".