319383704856 has 32 divisors (see below), whose sum is σ = 810376568640. Its totient is φ = 104872260768.

The previous prime is 319383704821. The next prime is 319383704881. The reversal of 319383704856 is 658407383913.

It is a junction number, because it is equal to n+sod(n) for n = 319383704796 and 319383704805.

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, 99309246 + ... + 99312461.

It is an arithmetic number, because the mean of its divisors is an integer number (25324267770).

Almost surely, 2^319383704856 is an apocalyptic number.

It is an amenable number.

319383704856 is an abundant number, since it is smaller than the sum of its proper divisors (490992863784).

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

319383704856 is a wasteful number, since it uses less digits than its factorization.

319383704856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198621783 (or 198621779 counting only the distinct ones).

The product of its (nonzero) digits is 13063680, while the sum is 57.

The spelling of 319383704856 in words is "three hundred nineteen billion, three hundred eighty-three million, seven hundred four thousand, eight hundred fifty-six".