317912102281 has 2 divisors, whose sum is σ = 317912102282. Its totient is φ = 317912102280.

The previous prime is 317912102257. The next prime is 317912102357. The reversal of 317912102281 is 182201219713.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 317639324025 + 272778256 = 563595^2 + 16516^2 .

It is a cyclic number.

It is not a de Polignac number, because 317912102281 - 2¹⁵ = 317912069513 is a prime.

It is a super-2 number, since 2×317912102281² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 317912102281.

It is not a weakly prime, because it can be changed into another prime (317912102201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158956051140 + 158956051141.

It is an arithmetic number, because the mean of its divisors is an integer number (158956051141).

Almost surely, 2^317912102281 is an apocalyptic number.

It is an amenable number.

317912102281 is a deficient number, since it is larger than the sum of its proper divisors (1).

317912102281 is an equidigital number, since it uses as much as digits as its factorization.

317912102281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 37.

The spelling of 317912102281 in words is "three hundred seventeen billion, nine hundred twelve million, one hundred two thousand, two hundred eighty-one".