312693221136371 has 2 divisors, whose sum is σ = 312693221136372. Its totient is φ = 312693221136370.

The previous prime is 312693221136323. The next prime is 312693221136397. The reversal of 312693221136371 is 173631122396213.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-312693221136371 is a prime.

It is not a weakly prime, because it can be changed into another prime (312693221132371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156346610568185 + 156346610568186.

It is an arithmetic number, because the mean of its divisors is an integer number (156346610568186).

Almost surely, 2^{312693221136371} is an apocalyptic number.

312693221136371 is a deficient number, since it is larger than the sum of its proper divisors (1).

312693221136371 is an equidigital number, since it uses as much as digits as its factorization.

312693221136371 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1469664, while the sum is 50.

The spelling of 312693221136371 in words is "three hundred twelve trillion, six hundred ninety-three billion, two hundred twenty-one million, one hundred thirty-six thousand, three hundred seventy-one".