315452603132320 has 96 divisors (see below), whose sum is σ = 778588506173520. Its totient is φ = 120623733350400.

The previous prime is 315452603132221. The next prime is 315452603132363. The reversal of 315452603132320 is 23231306254513.

It can be written as a sum of positive squares in 8 ways, for example, as 298967476536976 + 16485126595344 = 17290676^2 + 4060188^2 .

It is a Harshad number since it is a multiple of its sum of digits (40).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 336093117 + ... + 337030396.

Almost surely, 2^{315452603132320} is an apocalyptic number.

It is an amenable number.

315452603132320 is an abundant number, since it is smaller than the sum of its proper divisors (463135903041200).

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

315452603132320 is a wasteful number, since it uses less digits than its factorization.

315452603132320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 673123658 (or 673123650 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 40.

Adding to 315452603132320 its reverse (23231306254513), we get a palindrome (338683909386833).

The spelling of 315452603132320 in words is "three hundred fifteen trillion, four hundred fifty-two billion, six hundred three million, one hundred thirty-two thousand, three hundred twenty".