317006165891197 has 2 divisors, whose sum is σ = 317006165891198. Its totient is φ = 317006165891196.

The previous prime is 317006165891189. The next prime is 317006165891251. The reversal of 317006165891197 is 791198561600713.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 270728159684761 + 46278006206436 = 16453819^2 + 6802794^2 .

It is a cyclic number.

It is not a de Polignac number, because 317006165891197 - 2³ = 317006165891189 is a prime.

It is a super-2 number, since 2×317006165891197² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (317006165891117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158503082945598 + 158503082945599.

It is an arithmetic number, because the mean of its divisors is an integer number (158503082945599).

Almost surely, 2^{317006165891197} is an apocalyptic number.

It is an amenable number.

317006165891197 is a deficient number, since it is larger than the sum of its proper divisors (1).

317006165891197 is an equidigital number, since it uses as much as digits as its factorization.

317006165891197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17146080, while the sum is 64.

The spelling of 317006165891197 in words is "three hundred seventeen trillion, six billion, one hundred sixty-five million, eight hundred ninety-one thousand, one hundred ninety-seven".