312132230957 has 2 divisors, whose sum is σ = 312132230958. Its totient is φ = 312132230956.

The previous prime is 312132230929. The next prime is 312132231071. The reversal of 312132230957 is 759032231213.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 249549203401 + 62583027556 = 499549^2 + 250166^2 .

It is a cyclic number.

It is not a de Polignac number, because 312132230957 - 2²² = 312128036653 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 312132230957.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (312132130957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156066115478 + 156066115479.

It is an arithmetic number, because the mean of its divisors is an integer number (156066115479).

Almost surely, 2^312132230957 is an apocalyptic number.

It is an amenable number.

312132230957 is a deficient number, since it is larger than the sum of its proper divisors (1).

312132230957 is an equidigital number, since it uses as much as digits as its factorization.

312132230957 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 68040, while the sum is 38.

The spelling of 312132230957 in words is "three hundred twelve billion, one hundred thirty-two million, two hundred thirty thousand, nine hundred fifty-seven".