312030751057 has 2 divisors, whose sum is σ = 312030751058. Its totient is φ = 312030751056.

The previous prime is 312030751013. The next prime is 312030751061. The reversal of 312030751057 is 750157030213.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 170305607761 + 141725143296 = 412681^2 + 376464^2 .

It is a cyclic number.

It is not a de Polignac number, because 312030751057 - 2²⁷ = 311896533329 is a prime.

It is not a weakly prime, because it can be changed into another prime (312037751057) 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, 156015375528 + 156015375529.

It is an arithmetic number, because the mean of its divisors is an integer number (156015375529).

Almost surely, 2^312030751057 is an apocalyptic number.

It is an amenable number.

312030751057 is a deficient number, since it is larger than the sum of its proper divisors (1).

312030751057 is an equidigital number, since it uses as much as digits as its factorization.

312030751057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22050, while the sum is 34.

The spelling of 312030751057 in words is "three hundred twelve billion, thirty million, seven hundred fifty-one thousand, fifty-seven".