312132311269613 has 2 divisors, whose sum is σ = 312132311269614. Its totient is φ = 312132311269612.

The previous prime is 312132311269553. The next prime is 312132311269619. The reversal of 312132311269613 is 316962113231213.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 242101556709769 + 70030754559844 = 15559613^2 + 8368438^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-312132311269613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (312132311269619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156066155634806 + 156066155634807.

It is an arithmetic number, because the mean of its divisors is an integer number (156066155634807).

Almost surely, 2^{312132311269613} is an apocalyptic number.

It is an amenable number.

312132311269613 is a deficient number, since it is larger than the sum of its proper divisors (1).

312132311269613 is an equidigital number, since it uses as much as digits as its factorization.

312132311269613 is an evil number, because the sum of its binary digits is even.

The product of its digits is 209952, while the sum is 44.

The spelling of 312132311269613 in words is "three hundred twelve trillion, one hundred thirty-two billion, three hundred eleven million, two hundred sixty-nine thousand, six hundred thirteen".