315045320 has 32 divisors (see below), whose sum is σ = 711297720. Its totient is φ = 125583360.

The previous prime is 315045293. The next prime is 315045347. The reversal of 315045320 is 23540513.

It is an interprime number because it is at equal distance from previous prime (315045293) and next prime (315045347).

It can be written as a sum of positive squares in 4 ways, for example, as 314494756 + 550564 = 17734^2 + 742^2 .

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, 1721 + ... + 25160.

Almost surely, 2^315045320 is an apocalyptic number.

It is an amenable number.

315045320 is an abundant number, since it is smaller than the sum of its proper divisors (396252400).

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

315045320 is a wasteful number, since it uses less digits than its factorization.

315045320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27185 (or 27181 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 315045320 is about 17749.5160497406. The cubic root of 315045320 is about 680.4418408723.

Adding to 315045320 its reverse (23540513), we get a palindrome (338585833).

The spelling of 315045320 in words is "three hundred fifteen million, forty-five thousand, three hundred twenty".