318431604324 has 48 divisors (see below), whose sum is σ = 758736095040. Its totient is φ = 103911797760.

The previous prime is 318431604307. The next prime is 318431604329. The reversal of 318431604324 is 423406134813.

It is not an unprimeable number, because it can be changed into a prime (318431604329) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 762489 + ... + 1103744.

It is an arithmetic number, because the mean of its divisors is an integer number (15807001980).

Almost surely, 2^318431604324 is an apocalyptic number.

It is an amenable number.

318431604324 is an abundant number, since it is smaller than the sum of its proper divisors (440304490716).

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

318431604324 is a wasteful number, since it uses less digits than its factorization.

318431604324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1866540 (or 1866538 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 39.

The spelling of 318431604324 in words is "three hundred eighteen billion, four hundred thirty-one million, six hundred four thousand, three hundred twenty-four".