315343520 has 48 divisors (see below), whose sum is σ = 746299008. Its totient is φ = 125917440.

The previous prime is 315343519. The next prime is 315343541. The reversal of 315343520 is 25343513.

It is a self number, because there is not a number n which added to its sum of digits gives 315343520.

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, 114965 + ... + 117675.

It is an arithmetic number, because the mean of its divisors is an integer number (15547896).

Almost surely, 2^315343520 is an apocalyptic number.

It is an amenable number.

315343520 is an abundant number, since it is smaller than the sum of its proper divisors (430955488).

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

315343520 is a wasteful number, since it uses less digits than its factorization.

315343520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3453 (or 3445 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 26.

The square root of 315343520 is about 17757.9142919432. The cubic root of 315343520 is about 680.6564594878.

The spelling of 315343520 in words is "three hundred fifteen million, three hundred forty-three thousand, five hundred twenty".