318029691928 has 16 divisors (see below), whose sum is σ = 642175339680. Its totient is φ = 146782934688.

The previous prime is 318029691919. The next prime is 318029691943. The reversal of 318029691928 is 829196920813.

It is a super-2 number, since 2×318029691928² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

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, 1528988800 + ... + 1528989007.

It is an arithmetic number, because the mean of its divisors is an integer number (40135958730).

Almost surely, 2^318029691928 is an apocalyptic number.

It is an amenable number.

318029691928 is an abundant number, since it is smaller than the sum of its proper divisors (324145647752).

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

318029691928 is a wasteful number, since it uses less digits than its factorization.

318029691928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3057977826 (or 3057977822 counting only the distinct ones).

The product of its (nonzero) digits is 3359232, while the sum is 58.

The spelling of 318029691928 in words is "three hundred eighteen billion, twenty-nine million, six hundred ninety-one thousand, nine hundred twenty-eight".