319081730680 has 32 divisors (see below), whose sum is σ = 717969744000. Its totient is φ = 127626318976.

The previous prime is 319081730659. The next prime is 319081730699. The reversal of 319081730680 is 86037180913.

It is a self number, because there is not a number n which added to its sum of digits gives 319081730680.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 657369 + ... + 1034551.

It is an arithmetic number, because the mean of its divisors is an integer number (22436554500).

Almost surely, 2^319081730680 is an apocalyptic number.

It is an amenable number.

319081730680 is an abundant number, since it is smaller than the sum of its proper divisors (398888013320).

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

319081730680 is a wasteful number, since it uses less digits than its factorization.

319081730680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398343 (or 398339 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 46.

The spelling of 319081730680 in words is "three hundred nineteen billion, eighty-one million, seven hundred thirty thousand, six hundred eighty".