312132311269547 has 2 divisors, whose sum is σ = 312132311269548. Its totient is φ = 312132311269546.

The previous prime is 312132311269523. The next prime is 312132311269553. The reversal of 312132311269547 is 745962113231213.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 312132311269547 - 2⁸ = 312132311269291 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 312132311269495 and 312132311269504.

It is not a weakly prime, because it can be changed into another prime (312132311269507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156066155634773 + 156066155634774.

It is an arithmetic number, because the mean of its divisors is an integer number (156066155634774).

Almost surely, 2^{312132311269547} is an apocalyptic number.

312132311269547 is a deficient number, since it is larger than the sum of its proper divisors (1).

312132311269547 is an equidigital number, since it uses as much as digits as its factorization.

312132311269547 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1632960, while the sum is 50.

The spelling of 312132311269547 in words is "three hundred twelve trillion, one hundred thirty-two billion, three hundred eleven million, two hundred sixty-nine thousand, five hundred forty-seven".