319286022916 has 27 divisors (see below), whose sum is σ = 649991222517. Its totient is φ = 136833476640.

The previous prime is 319286022889. The next prime is 319286022947. The reversal of 319286022916 is 619220682913.

The square root of 319286022916 is 565054.

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

It can be written as a sum of positive squares in only one way, i.e., 307965062916 + 11320960000 = 554946^2 + 106400^2 .

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a self number, because there is not a number n which added to its sum of digits gives 319286022916.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 7890576 + ... + 7930936.

Almost surely, 2^319286022916 is an apocalyptic number.

319286022916 is the 565054-th square number.

It is an amenable number.

319286022916 is an abundant number, since it is smaller than the sum of its proper divisors (330705199601).

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

319286022916 is an frugal number, since it uses more digits than its factorization.

319286022916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80740 (or 40370 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 49.

Multiplying 319286022916 by its sum of digits (49), we get a square (15645015122884 = 3955378²).

319286022916 divided by its sum of digits (49) gives a square (6516041284 = 80722²).

The spelling of 319286022916 in words is "three hundred nineteen billion, two hundred eighty-six million, twenty-two thousand, nine hundred sixteen".