319749988312 has 64 divisors (see below), whose sum is σ = 636151737600. Its totient is φ = 150404843520.

The previous prime is 319749988289. The next prime is 319749988333. The reversal of 319749988312 is 213889947913.

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, 10932364 + ... + 10961572.

It is an arithmetic number, because the mean of its divisors is an integer number (9939870900).

Almost surely, 2^319749988312 is an apocalyptic number.

It is an amenable number.

319749988312 is a deficient number, since it is larger than the sum of its proper divisors (316401749288).

319749988312 is a wasteful number, since it uses less digits than its factorization.

319749988312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30476 (or 30472 counting only the distinct ones).

The product of its digits is 23514624, while the sum is 64.

The spelling of 319749988312 in words is "three hundred nineteen billion, seven hundred forty-nine million, nine hundred eighty-eight thousand, three hundred twelve".