318304527972 has 12 divisors (see below), whose sum is σ = 742710565296. Its totient is φ = 106101509320.

The previous prime is 318304527917. The next prime is 318304527973. The reversal of 318304527972 is 279725403813.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (318304527973) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13262688654 + ... + 13262688677.

It is an arithmetic number, because the mean of its divisors is an integer number (61892547108).

Almost surely, 2^318304527972 is an apocalyptic number.

It is an amenable number.

318304527972 is an abundant number, since it is smaller than the sum of its proper divisors (424406037324).

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

318304527972 is a wasteful number, since it uses less digits than its factorization.

318304527972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26525377338 (or 26525377336 counting only the distinct ones).

The product of its (nonzero) digits is 2540160, while the sum is 51.

The spelling of 318304527972 in words is "three hundred eighteen billion, three hundred four million, five hundred twenty-seven thousand, nine hundred seventy-two".