317197432553 has 2 divisors, whose sum is σ = 317197432554. Its totient is φ = 317197432552.

The previous prime is 317197432481. The next prime is 317197432567. The reversal of 317197432553 is 355234791713.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 275154800704 + 42042631849 = 524552^2 + 205043^2 .

It is an emirp because it is prime and its reverse (355234791713) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 317197432553 - 2²² = 317193238249 is a prime.

It is a super-2 number, since 2×317197432553² (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 (317197438553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158598716276 + 158598716277.

It is an arithmetic number, because the mean of its divisors is an integer number (158598716277).

Almost surely, 2^317197432553 is an apocalyptic number.

It is an amenable number.

317197432553 is a deficient number, since it is larger than the sum of its proper divisors (1).

317197432553 is an equidigital number, since it uses as much as digits as its factorization.

317197432553 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2381400, while the sum is 50.

The spelling of 317197432553 in words is "three hundred seventeen billion, one hundred ninety-seven million, four hundred thirty-two thousand, five hundred fifty-three".