312442522319 has 2 divisors, whose sum is σ = 312442522320. Its totient is φ = 312442522318.

The previous prime is 312442522309. The next prime is 312442522321. The reversal of 312442522319 is 913225244213.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 312442522319 - 2¹⁶ = 312442456783 is a prime.

It is a super-2 number, since 2×312442522319² (a number of 24 digits) contains 22 as substring.

Together with 312442522321, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (312442522309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156221261159 + 156221261160.

It is an arithmetic number, because the mean of its divisors is an integer number (156221261160).

Almost surely, 2^312442522319 is an apocalyptic number.

312442522319 is a deficient number, since it is larger than the sum of its proper divisors (1).

312442522319 is an equidigital number, since it uses as much as digits as its factorization.

312442522319 is an evil number, because the sum of its binary digits is even.

The product of its digits is 103680, while the sum is 38.

The spelling of 312442522319 in words is "three hundred twelve billion, four hundred forty-two million, five hundred twenty-two thousand, three hundred nineteen".