315524012 has 24 divisors (see below), whose sum is σ = 600453504. Its totient is φ = 144467712.

The previous prime is 315524009. The next prime is 315524017. The reversal of 315524012 is 210425513.

It is a super-2 number, since 2×315524012² = 199110804297152288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (315524017) 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, 60188 + ... + 65219.

It is an arithmetic number, because the mean of its divisors is an integer number (25018896).

Almost surely, 2^315524012 is an apocalyptic number.

It is an amenable number.

315524012 is a deficient number, since it is larger than the sum of its proper divisors (284929492).

315524012 is a wasteful number, since it uses less digits than its factorization.

315524012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125465 (or 125463 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 315524012 is about 17762.9955807009. The cubic root of 315524012 is about 680.7862963232.

Adding to 315524012 its reverse (210425513), we get a palindrome (525949525).

The spelling of 315524012 in words is "three hundred fifteen million, five hundred twenty-four thousand, twelve".