317197432481 has 2 divisors, whose sum is σ = 317197432482. Its totient is φ = 317197432480.

The previous prime is 317197432459. The next prime is 317197432553. The reversal of 317197432481 is 184234791713.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 212534830225 + 104662602256 = 461015^2 + 323516^2 .

It is a cyclic number.

It is not a de Polignac number, because 317197432481 - 2¹⁴ = 317197416097 is a prime.

It is a super-2 number, since 2×317197432481² (a number of 24 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (317197432681) 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 as a sum of consecutive naturals, namely, 158598716240 + 158598716241.

It is an arithmetic number, because the mean of its divisors is an integer number (158598716241).

Almost surely, 2^317197432481 is an apocalyptic number.

It is an amenable number.

317197432481 is a deficient number, since it is larger than the sum of its proper divisors (1).

317197432481 is an equidigital number, since it uses as much as digits as its factorization.

317197432481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1016064, while the sum is 50.

The spelling of 317197432481 in words is "three hundred seventeen billion, one hundred ninety-seven million, four hundred thirty-two thousand, four hundred eighty-one".