315011520 has 84 divisors (see below), whose sum is σ = 1083518280. Its totient is φ = 84002304.

The previous prime is 315011483. The next prime is 315011527. The reversal of 315011520 is 25110513.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 315011493 and 315011502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315011527) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 51810 + ... + 57569.

Almost surely, 2^315011520 is an apocalyptic number.

315011520 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

315011520 is an abundant number, since it is smaller than the sum of its proper divisors (768506760).

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

315011520 is a wasteful number, since it uses less digits than its factorization.

315011520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109402 (or 109389 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 18.

The square root of 315011520 is about 17748.5638855655. The cubic root of 315011520 is about 680.4175060065.

The spelling of 315011520 in words is "three hundred fifteen million, eleven thousand, five hundred twenty".