312320302030393 has 2 divisors, whose sum is σ = 312320302030394. Its totient is φ = 312320302030392.

The previous prime is 312320302030283. The next prime is 312320302030433. The reversal of 312320302030393 is 393030203023213.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 231793225709049 + 80527076321344 = 15224757^2 + 8973688^2 .

It is a cyclic number.

It is not a de Polignac number, because 312320302030393 - 2¹⁷ = 312320301899321 is a prime.

It is not a weakly prime, because it can be changed into another prime (312320302030493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156160151015196 + 156160151015197.

It is an arithmetic number, because the mean of its divisors is an integer number (156160151015197).

Almost surely, 2^{312320302030393} is an apocalyptic number.

It is an amenable number.

312320302030393 is a deficient number, since it is larger than the sum of its proper divisors (1).

312320302030393 is an equidigital number, since it uses as much as digits as its factorization.

312320302030393 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 52488, while the sum is 34.

The spelling of 312320302030393 in words is "three hundred twelve trillion, three hundred twenty billion, three hundred two million, thirty thousand, three hundred ninety-three".