319243080256 has 21 divisors (see below), whose sum is σ = 633506957139. Its totient is φ = 159619280064.

The previous prime is 319243080227. The next prime is 319243080263. The reversal of 319243080256 is 652080342913.

The square root of 319243080256 is 565016.

It is a perfect power (a square), and thus also a powerful number.

It is a super-2 number, since 2×319243080256² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 4484815 + ... + 4555441.

It is an arithmetic number, because the mean of its divisors is an integer number (30166997959).

Almost surely, 2^319243080256 is an apocalyptic number.

319243080256 is the 565016-th square number.

It is an amenable number.

319243080256 is a deficient number, since it is larger than the sum of its proper divisors (314263876883).

319243080256 is an frugal number, since it uses more digits than its factorization.

319243080256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141266 (or 70629 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 43.

The spelling of 319243080256 in words is "three hundred nineteen billion, two hundred forty-three million, eighty thousand, two hundred fifty-six".