313421343124369 has 2 divisors, whose sum is σ = 313421343124370. Its totient is φ = 313421343124368.

The previous prime is 313421343124313. The next prime is 313421343124381. The reversal of 313421343124369 is 963421343124313.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 265876015547025 + 47545327577344 = 16305705^2 + 6895312^2 .

It is a cyclic number.

It is not a de Polignac number, because 313421343124369 - 2¹⁹ = 313421342600081 is a prime.

It is a super-2 number, since 2×313421343124369² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (313421343124069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156710671562184 + 156710671562185.

It is an arithmetic number, because the mean of its divisors is an integer number (156710671562185).

Almost surely, 2^{313421343124369} is an apocalyptic number.

It is an amenable number.

313421343124369 is a deficient number, since it is larger than the sum of its proper divisors (1).

313421343124369 is an equidigital number, since it uses as much as digits as its factorization.

313421343124369 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3359232, while the sum is 49.

The spelling of 313421343124369 in words is "three hundred thirteen trillion, four hundred twenty-one billion, three hundred forty-three million, one hundred twenty-four thousand, three hundred sixty-nine".