312542001757 has 2 divisors, whose sum is σ = 312542001758. Its totient is φ = 312542001756.

The previous prime is 312542001719. The next prime is 312542001787. The reversal of 312542001757 is 757100245213.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 309819144996 + 2722856761 = 556614^2 + 52181^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-312542001757 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (312542001787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156271000878 + 156271000879.

It is an arithmetic number, because the mean of its divisors is an integer number (156271000879).

Almost surely, 2^312542001757 is an apocalyptic number.

It is an amenable number.

312542001757 is a deficient number, since it is larger than the sum of its proper divisors (1).

312542001757 is an equidigital number, since it uses as much as digits as its factorization.

312542001757 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 58800, while the sum is 37.

The spelling of 312542001757 in words is "three hundred twelve billion, five hundred forty-two million, one thousand, seven hundred fifty-seven".