319887120452 has 12 divisors (see below), whose sum is σ = 559898014956. Its totient is φ = 159916259040.

The previous prime is 319887120451. The next prime is 319887120473. The reversal of 319887120452 is 254021788913.

It can be written as a sum of positive squares in 2 ways, for example, as 48971034436 + 270916086016 = 221294^2 + 520496^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 319887120452.

It is not an unprimeable number, because it can be changed into a prime (319887120451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6798923 + ... + 6845810.

It is an arithmetic number, because the mean of its divisors is an integer number (46658167913).

Almost surely, 2^319887120452 is an apocalyptic number.

It is an amenable number.

319887120452 is a deficient number, since it is larger than the sum of its proper divisors (240010894504).

319887120452 is a wasteful number, since it uses less digits than its factorization.

319887120452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13650598 (or 13650596 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 50.

The spelling of 319887120452 in words is "three hundred nineteen billion, eight hundred eighty-seven million, one hundred twenty thousand, four hundred fifty-two".