313421342862169 has 2 divisors, whose sum is σ = 313421342862170. Its totient is φ = 313421342862168.

The previous prime is 313421342862163. The next prime is 313421342862191. The reversal of 313421342862169 is 961268243124313.

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., 236926377962569 + 76494964899600 = 15392413^2 + 8746140^2 .

It is a cyclic number.

It is not a de Polignac number, because 313421342862169 - 2²⁵ = 313421309307737 is a prime.

It is a super-2 number, since 2×313421342862169² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (313421342862163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156710671431084 + 156710671431085.

It is an arithmetic number, because the mean of its divisors is an integer number (156710671431085).

Almost surely, 2^{313421342862169} is an apocalyptic number.

It is an amenable number.

313421342862169 is a deficient number, since it is larger than the sum of its proper divisors (1).

313421342862169 is an equidigital number, since it uses as much as digits as its factorization.

313421342862169 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8957952, while the sum is 55.

The spelling of 313421342862169 in words is "three hundred thirteen trillion, four hundred twenty-one billion, three hundred forty-two million, eight hundred sixty-two thousand, one hundred sixty-nine".