315340816 has 40 divisors (see below), whose sum is σ = 699865920. Its totient is φ = 134834304.

The previous prime is 315340807. The next prime is 315340819. The reversal of 315340816 is 618043513.

It is not an unprimeable number, because it can be changed into a prime (315340819) 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, 49290 + ... + 55318.

It is an arithmetic number, because the mean of its divisors is an integer number (17496648).

Almost surely, 2^315340816 is an apocalyptic number.

It is an amenable number.

315340816 is an abundant number, since it is smaller than the sum of its proper divisors (384525104).

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

315340816 is a wasteful number, since it uses less digits than its factorization.

315340816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6511 (or 6505 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 315340816 is about 17757.8381567127. The cubic root of 315340816 is about 680.6545139900.

The spelling of 315340816 in words is "three hundred fifteen million, three hundred forty thousand, eight hundred sixteen".