315021352 has 16 divisors (see below), whose sum is σ = 590856660. Its totient is φ = 157459584.

The previous prime is 315021299. The next prime is 315021361. The reversal of 315021352 is 253120513.

It can be written as a sum of positive squares in 2 ways, for example, as 273108676 + 41912676 = 16526^2 + 6474^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37788 + ... + 45364.

Almost surely, 2^315021352 is an apocalyptic number.

It is an amenable number.

315021352 is a deficient number, since it is larger than the sum of its proper divisors (275835308).

315021352 is a wasteful number, since it uses less digits than its factorization.

315021352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12780 (or 12776 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 315021352 is about 17748.8408635606. The cubic root of 315021352 is about 680.4245848961.

Adding to 315021352 its reverse (253120513), we get a palindrome (568141865).

The spelling of 315021352 in words is "three hundred fifteen million, twenty-one thousand, three hundred fifty-two".