312302220266797 has 2 divisors, whose sum is σ = 312302220266798. Its totient is φ = 312302220266796.

The previous prime is 312302220266737. The next prime is 312302220266819. The reversal of 312302220266797 is 797662022203213.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 271028097110761 + 41274123156036 = 16462931^2 + 6424494^2 .

It is a cyclic number.

It is not a de Polignac number, because 312302220266797 - 2³⁹ = 311752464452909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (312302220266737) 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, 156151110133398 + 156151110133399.

It is an arithmetic number, because the mean of its divisors is an integer number (156151110133399).

Almost surely, 2^{312302220266797} is an apocalyptic number.

It is an amenable number.

312302220266797 is a deficient number, since it is larger than the sum of its proper divisors (1).

312302220266797 is an equidigital number, since it uses as much as digits as its factorization.

312302220266797 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4572288, while the sum is 52.

The spelling of 312302220266797 in words is "three hundred twelve trillion, three hundred two billion, two hundred twenty million, two hundred sixty-six thousand, seven hundred ninety-seven".