317143431613 has 2 divisors, whose sum is σ = 317143431614. Its totient is φ = 317143431612.

The previous prime is 317143431601. The next prime is 317143431617. The reversal of 317143431613 is 316134341713.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 247330166329 + 69813265284 = 497323^2 + 264222^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-317143431613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (317143431617) 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, 158571715806 + 158571715807.

It is an arithmetic number, because the mean of its divisors is an integer number (158571715807).

Almost surely, 2^317143431613 is an apocalyptic number.

It is an amenable number.

317143431613 is a deficient number, since it is larger than the sum of its proper divisors (1).

317143431613 is an equidigital number, since it uses as much as digits as its factorization.

317143431613 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 54432, while the sum is 37.

The spelling of 317143431613 in words is "three hundred seventeen billion, one hundred forty-three million, four hundred thirty-one thousand, six hundred thirteen".