319667920988 has 48 divisors (see below), whose sum is σ = 607767035904. Its totient is φ = 146239369920.

The previous prime is 319667920921. The next prime is 319667921059. The reversal of 319667920988 is 889029766913.

It is a super-2 number, since 2×319667920988² (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 15 ways as a sum of consecutive naturals, for example, 7156283 + ... + 7200813.

It is an arithmetic number, because the mean of its divisors is an integer number (12661813248).

Almost surely, 2^319667920988 is an apocalyptic number.

It is an amenable number.

319667920988 is a deficient number, since it is larger than the sum of its proper divisors (288099114916).

319667920988 is a wasteful number, since it uses less digits than its factorization.

319667920988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45762 (or 45760 counting only the distinct ones).

The product of its (nonzero) digits is 70543872, while the sum is 68.

The spelling of 319667920988 in words is "three hundred nineteen billion, six hundred sixty-seven million, nine hundred twenty thousand, nine hundred eighty-eight".