1312300320997 has 2 divisors, whose sum is σ = 1312300320998. Its totient is φ = 1312300320996.

The previous prime is 1312300320977. The next prime is 1312300321049. The reversal of 1312300320997 is 7990230032131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1197243002596 + 115057318401 = 1094186^2 + 339201^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1312300320997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1312300320977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656150160498 + 656150160499.

It is an arithmetic number, because the mean of its divisors is an integer number (656150160499).

Almost surely, 2^{1312300320997} is an apocalyptic number.

It is an amenable number.

1312300320997 is a deficient number, since it is larger than the sum of its proper divisors (1).

1312300320997 is an equidigital number, since it uses as much as digits as its factorization.

1312300320997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 61236, while the sum is 40.

The spelling of 1312300320997 in words is "one trillion, three hundred twelve billion, three hundred million, three hundred twenty thousand, nine hundred ninety-seven".