113315520 has 56 divisors (see below), whose sum is σ = 359779824. Its totient is φ = 30217216.

The previous prime is 113315483. The next prime is 113315539. The reversal of 113315520 is 25513311.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58059 + ... + 59978.

Almost surely, 2^113315520 is an apocalyptic number.

113315520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113315520 is an abundant number, since it is smaller than the sum of its proper divisors (246464304).

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

113315520 is a wasteful number, since it uses less digits than its factorization.

113315520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118057 (or 118047 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 21.

The square root of 113315520 is about 10644.9762799172. The cubic root of 113315520 is about 483.9083677816.

Adding to 113315520 its reverse (25513311), we get a palindrome (138828831).

It can be divided in two parts, 1133 and 15520, that added together give a triangular number (16653 = T₁₈₂).

The spelling of 113315520 in words is "one hundred thirteen million, three hundred fifteen thousand, five hundred twenty".