312333230021899 has 2 divisors, whose sum is σ = 312333230021900. Its totient is φ = 312333230021898.

The previous prime is 312333230021779. The next prime is 312333230021933. The reversal of 312333230021899 is 998120032333213.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 312333230021899 - 2⁹ = 312333230021387 is a prime.

It is not a weakly prime, because it can be changed into another prime (312333230021299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156166615010949 + 156166615010950.

It is an arithmetic number, because the mean of its divisors is an integer number (156166615010950).

Almost surely, 2^{312333230021899} is an apocalyptic number.

312333230021899 is a deficient number, since it is larger than the sum of its proper divisors (1).

312333230021899 is an equidigital number, since it uses as much as digits as its factorization.

312333230021899 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1259712, while the sum is 49.

The spelling of 312333230021899 in words is "three hundred twelve trillion, three hundred thirty-three billion, two hundred thirty million, twenty-one thousand, eight hundred ninety-nine".