315230312 has 16 divisors (see below), whose sum is σ = 591645600. Its totient is φ = 157458160.

The previous prime is 315230299. The next prime is 315230353. The reversal of 315230312 is 213032513.

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, 10862 + ... + 27357.

It is an arithmetic number, because the mean of its divisors is an integer number (36977850).

Almost surely, 2^315230312 is an apocalyptic number.

It is an amenable number.

315230312 is a deficient number, since it is larger than the sum of its proper divisors (276415288).

315230312 is a wasteful number, since it uses less digits than its factorization.

315230312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39256 (or 39252 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 315230312 is about 17754.7264693095. The cubic root of 315230312 is about 680.5749980820.

Adding to 315230312 its reverse (213032513), we get a palindrome (528262825).

The spelling of 315230312 in words is "three hundred fifteen million, two hundred thirty thousand, three hundred twelve".