113131304 has 48 divisors (see below), whose sum is σ = 250607520. Its totient is φ = 47461440.

The previous prime is 113131297. The next prime is 113131321. The reversal of 113131304 is 403131311.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11069 + ... + 18675.

It is an arithmetic number, because the mean of its divisors is an integer number (5220990).

Almost surely, 2^113131304 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 113131304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (125303760).

113131304 is an abundant number, since it is smaller than the sum of its proper divisors (137476216).

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

113131304 is a wasteful number, since it uses less digits than its factorization.

113131304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7650 (or 7633 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 113131304 is about 10636.3200403147. The cubic root of 113131304 is about 483.6459970894.

Adding to 113131304 its reverse (403131311), we get a palindrome (516262615).

The spelling of 113131304 in words is "one hundred thirteen million, one hundred thirty-one thousand, three hundred four".