315881264 has 20 divisors (see below), whose sum is σ = 638630256. Its totient is φ = 151073472.

The previous prime is 315881243. The next prime is 315881273. The reversal of 315881264 is 462188513.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 428819 + ... + 429554.

Almost surely, 2^315881264 is an apocalyptic number.

It is an amenable number.

315881264 is an abundant number, since it is smaller than the sum of its proper divisors (322748992).

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

315881264 is a wasteful number, since it uses less digits than its factorization.

315881264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 858404 (or 858398 counting only the distinct ones).

The product of its digits is 46080, while the sum is 38.

The square root of 315881264 is about 17773.0488099257. The cubic root of 315881264 is about 681.0431394604.

The spelling of 315881264 in words is "three hundred fifteen million, eight hundred eighty-one thousand, two hundred sixty-four".