318195056329 has 2 divisors, whose sum is σ = 318195056330. Its totient is φ = 318195056328.

The previous prime is 318195056323. The next prime is 318195056363. The reversal of 318195056329 is 923650591813.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 247889473225 + 70305583104 = 497885^2 + 265152^2 .

It is a cyclic number.

It is not a de Polignac number, because 318195056329 - 2³ = 318195056321 is a prime.

It is a super-3 number, since 3×318195056329³ (a number of 35 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (318195056321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 159097528164 + 159097528165.

It is an arithmetic number, because the mean of its divisors is an integer number (159097528165).

Almost surely, 2^318195056329 is an apocalyptic number.

It is an amenable number.

318195056329 is a deficient number, since it is larger than the sum of its proper divisors (1).

318195056329 is an equidigital number, since it uses as much as digits as its factorization.

318195056329 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1749600, while the sum is 52.

The spelling of 318195056329 in words is "three hundred eighteen billion, one hundred ninety-five million, fifty-six thousand, three hundred twenty-nine".