315231604 has 12 divisors (see below), whose sum is σ = 554845284. Its totient is φ = 156704384.

The previous prime is 315231599. The next prime is 315231611. The reversal of 315231604 is 406132513.

It can be written as a sum of positive squares in 2 ways, for example, as 281568400 + 33663204 = 16780^2 + 5802^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 227077 + ... + 228460.

It is an arithmetic number, because the mean of its divisors is an integer number (46237107).

Almost surely, 2^315231604 is an apocalyptic number.

It is an amenable number.

315231604 is a deficient number, since it is larger than the sum of its proper divisors (239613680).

315231604 is a wasteful number, since it uses less digits than its factorization.

315231604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 455714 (or 455712 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 315231604 is about 17754.7628539499. The cubic root of 315231604 is about 680.5759278802.

Subtracting 315231604 from its reverse (406132513), we obtain a palindrome (90900909).

The spelling of 315231604 in words is "three hundred fifteen million, two hundred thirty-one thousand, six hundred four".