312313803839 has 2 divisors, whose sum is σ = 312313803840. Its totient is φ = 312313803838.

The previous prime is 312313803817. The next prime is 312313803847. The reversal of 312313803839 is 938308313213.

It is a strong prime.

It is an emirp because it is prime and its reverse (938308313213) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 312313803839 - 2⁸ = 312313803583 is a prime.

It is a super-2 number, since 2×312313803839² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 312313803839.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (312313703839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156156901919 + 156156901920.

It is an arithmetic number, because the mean of its divisors is an integer number (156156901920).

Almost surely, 2^312313803839 is an apocalyptic number.

312313803839 is a deficient number, since it is larger than the sum of its proper divisors (1).

312313803839 is an equidigital number, since it uses as much as digits as its factorization.

312313803839 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 279936, while the sum is 44.

The spelling of 312313803839 in words is "three hundred twelve billion, three hundred thirteen million, eight hundred three thousand, eight hundred thirty-nine".