318591952322 has 162 divisors, whose sum is σ = 606309492537. Its totient is φ = 125176490208.

The previous prime is 318591952321. The next prime is 318591952337. The reversal of 318591952322 is 223259195813.

It can be written as a sum of positive squares in 2 ways, for example, as 257037846121 + 61554106201 = 506989^2 + 248101^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=399119.

Its product of digits (1166400) is a multiple of the sum of its prime factors (270).

It is not an unprimeable number, because it can be changed into a prime (318591952321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 4755103733 + ... + 4755103799.

Almost surely, 2^318591952322 is an apocalyptic number.

318591952322 is a deficient number, since it is larger than the sum of its proper divisors (287717540215).

318591952322 is an equidigital number, since it uses as much as digits as its factorization.

318591952322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270 (or 136 counting only the distinct ones).

The product of its digits is 1166400, while the sum is 50.

Multiplying 318591952322 by its sum of digits (50), we get a square (15929597616100 = 3991190²).

The spelling of 318591952322 in words is "three hundred eighteen billion, five hundred ninety-one million, nine hundred fifty-two thousand, three hundred twenty-two".