1312300323281 has 2 divisors, whose sum is σ = 1312300323282. Its totient is φ = 1312300323280.

The previous prime is 1312300323253. The next prime is 1312300323343. The reversal of 1312300323281 is 1823230032131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1051873820881 + 260426502400 = 1025609^2 + 510320^2 .

It is a cyclic number.

It is not a de Polignac number, because 1312300323281 - 2²² = 1312296128977 is a prime.

It is a super-2 number, since 2×1312300323281² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1312300323241) 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, 656150161640 + 656150161641.

It is an arithmetic number, because the mean of its divisors is an integer number (656150161641).

Almost surely, 2^{1312300323281} is an apocalyptic number.

It is an amenable number.

1312300323281 is a deficient number, since it is larger than the sum of its proper divisors (1).

1312300323281 is an equidigital number, since it uses as much as digits as its factorization.

1312300323281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 29.

The spelling of 1312300323281 in words is "one trillion, three hundred twelve billion, three hundred million, three hundred twenty-three thousand, two hundred eighty-one".