312920654771 has 2 divisors, whose sum is σ = 312920654772. Its totient is φ = 312920654770.

The previous prime is 312920654699. The next prime is 312920654789. The reversal of 312920654771 is 177456029213.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-312920654771 is a prime.

It is a super-2 number, since 2×312920654771² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (312920654791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156460327385 + 156460327386.

It is an arithmetic number, because the mean of its divisors is an integer number (156460327386).

Almost surely, 2^312920654771 is an apocalyptic number.

312920654771 is a deficient number, since it is larger than the sum of its proper divisors (1).

312920654771 is an equidigital number, since it uses as much as digits as its factorization.

312920654771 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 635040, while the sum is 47.

The spelling of 312920654771 in words is "three hundred twelve billion, nine hundred twenty million, six hundred fifty-four thousand, seven hundred seventy-one".