317956342973207 has 2 divisors, whose sum is σ = 317956342973208. Its totient is φ = 317956342973206.

The previous prime is 317956342973179. The next prime is 317956342973257. The reversal of 317956342973207 is 702379243659713.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 317956342973207 - 2²⁶ = 317956275864343 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (317956342973257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158978171486603 + 158978171486604.

It is an arithmetic number, because the mean of its divisors is an integer number (158978171486604).

Almost surely, 2^{317956342973207} is an apocalyptic number.

317956342973207 is a deficient number, since it is larger than the sum of its proper divisors (1).

317956342973207 is an equidigital number, since it uses as much as digits as its factorization.

317956342973207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360067680, while the sum is 68.

The spelling of 317956342973207 in words is "three hundred seventeen trillion, nine hundred fifty-six billion, three hundred forty-two million, nine hundred seventy-three thousand, two hundred seven".