317288237220401 has 2 divisors, whose sum is σ = 317288237220402. Its totient is φ = 317288237220400.

The previous prime is 317288237220347. The next prime is 317288237220457. The reversal of 317288237220401 is 104022732882713.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 304095004422400 + 13193232798001 = 17438320^2 + 3632249^2 .

It is a cyclic number.

It is not a de Polignac number, because 317288237220401 - 2³⁸ = 317013359313457 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 317288237220401.

It is not a weakly prime, because it can be changed into another prime (317288237220701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158644118610200 + 158644118610201.

It is an arithmetic number, because the mean of its divisors is an integer number (158644118610201).

Almost surely, 2^{317288237220401} is an apocalyptic number.

It is an amenable number.

317288237220401 is a deficient number, since it is larger than the sum of its proper divisors (1).

317288237220401 is an equidigital number, since it uses as much as digits as its factorization.

317288237220401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1806336, while the sum is 50.

The spelling of 317288237220401 in words is "three hundred seventeen trillion, two hundred eighty-eight billion, two hundred thirty-seven million, two hundred twenty thousand, four hundred one".