312042313439 has 2 divisors, whose sum is σ = 312042313440. Its totient is φ = 312042313438.

The previous prime is 312042313409. The next prime is 312042313459. The reversal of 312042313439 is 934313240213.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-312042313439 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 312042313399 and 312042313408.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (312042313409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156021156719 + 156021156720.

It is an arithmetic number, because the mean of its divisors is an integer number (156021156720).

Almost surely, 2^312042313439 is an apocalyptic number.

312042313439 is a deficient number, since it is larger than the sum of its proper divisors (1).

312042313439 is an equidigital number, since it uses as much as digits as its factorization.

312042313439 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46656, while the sum is 35.

The spelling of 312042313439 in words is "three hundred twelve billion, forty-two million, three hundred thirteen thousand, four hundred thirty-nine".