312211313242319 has 2 divisors, whose sum is σ = 312211313242320. Its totient is φ = 312211313242318.

The previous prime is 312211313242259. The next prime is 312211313242327. The reversal of 312211313242319 is 913242313112213.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 312211313242319 - 2⁸ = 312211313242063 is a prime.

It is a super-2 number, since 2×312211313242319² (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 (312211313212319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156105656621159 + 156105656621160.

It is an arithmetic number, because the mean of its divisors is an integer number (156105656621160).

Almost surely, 2^{312211313242319} is an apocalyptic number.

312211313242319 is a deficient number, since it is larger than the sum of its proper divisors (1).

312211313242319 is an equidigital number, since it uses as much as digits as its factorization.

312211313242319 is an evil number, because the sum of its binary digits is even.

The product of its digits is 46656, while the sum is 38.

The spelling of 312211313242319 in words is "three hundred twelve trillion, two hundred eleven billion, three hundred thirteen million, two hundred forty-two thousand, three hundred nineteen".