113431104 has 70 divisors (see below), whose sum is σ = 336260694. Its totient is φ = 37808640.

The previous prime is 113431081. The next prime is 113431117. The reversal of 113431104 is 401134311.

It can be written as a sum of positive squares in only one way, i.e., 61591104 + 51840000 = 7848^2 + 7200^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 5757 + ... + 16124.

Almost surely, 2^113431104 is an apocalyptic number.

It is an amenable number.

113431104 is an abundant number, since it is smaller than the sum of its proper divisors (222829590).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

113431104 is an equidigital number, since it uses as much as digits as its factorization.

113431104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21905 (or 21886 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 113431104 is about 10650.4039360017. The cubic root of 113431104 is about 484.0728438048.

Adding to 113431104 its reverse (401134311), we get a palindrome (514565415).

The spelling of 113431104 in words is "one hundred thirteen million, four hundred thirty-one thousand, one hundred four".