317633723513 has 2 divisors, whose sum is σ = 317633723514. Its totient is φ = 317633723512.

The previous prime is 317633723501. The next prime is 317633723521. The reversal of 317633723513 is 315327336713.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 316869919744 + 763803769 = 562912^2 + 27637^2 .

It is a cyclic number.

It is not a de Polignac number, because 317633723513 - 2⁸ = 317633723257 is a prime.

It is a super-2 number, since 2×317633723513² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (317633726513) 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, 158816861756 + 158816861757.

It is an arithmetic number, because the mean of its divisors is an integer number (158816861757).

Almost surely, 2^317633723513 is an apocalyptic number.

It is an amenable number.

317633723513 is a deficient number, since it is larger than the sum of its proper divisors (1).

317633723513 is an equidigital number, since it uses as much as digits as its factorization.

317633723513 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 714420, while the sum is 44.

The spelling of 317633723513 in words is "three hundred seventeen billion, six hundred thirty-three million, seven hundred twenty-three thousand, five hundred thirteen".