315881896 has 32 divisors (see below), whose sum is σ = 684132480. Its totient is φ = 135136000.

The previous prime is 315881873. The next prime is 315881899. The reversal of 315881896 is 698188513.

It is not an unprimeable number, because it can be changed into a prime (315881899) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104080 + ... + 107071.

It is an arithmetic number, because the mean of its divisors is an integer number (21379140).

Almost surely, 2^315881896 is an apocalyptic number.

It is an amenable number.

315881896 is an abundant number, since it is smaller than the sum of its proper divisors (368250584).

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

315881896 is a wasteful number, since it uses less digits than its factorization.

315881896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211185 (or 211181 counting only the distinct ones).

The product of its digits is 414720, while the sum is 49.

The square root of 315881896 is about 17773.0665896463. The cubic root of 315881896 is about 681.0435936595.

The spelling of 315881896 in words is "three hundred fifteen million, eight hundred eighty-one thousand, eight hundred ninety-six".