1231310023297 has 2 divisors, whose sum is σ = 1231310023298. Its totient is φ = 1231310023296.

The previous prime is 1231310023199. The next prime is 1231310023313. The reversal of 1231310023297 is 7923200131321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1125213899121 + 106096124176 = 1060761^2 + 325724^2 .

It is a cyclic number.

It is not a de Polignac number, because 1231310023297 - 2²⁷ = 1231175805569 is a prime.

It is a super-2 number, since 2×1231310023297² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1231310023597) 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, 615655011648 + 615655011649.

It is an arithmetic number, because the mean of its divisors is an integer number (615655011649).

Almost surely, 2^{1231310023297} is an apocalyptic number.

It is an amenable number.

1231310023297 is a deficient number, since it is larger than the sum of its proper divisors (1).

1231310023297 is an equidigital number, since it uses as much as digits as its factorization.

1231310023297 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13608, while the sum is 34.

The spelling of 1231310023297 in words is "one trillion, two hundred thirty-one billion, three hundred ten million, twenty-three thousand, two hundred ninety-seven".