1312231332319 has 2 divisors, whose sum is σ = 1312231332320. Its totient is φ = 1312231332318.

The previous prime is 1312231332281. The next prime is 1312231332343. The reversal of 1312231332319 is 9132331322131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1312231332319 - 2³⁷ = 1174792378847 is a prime.

It is a super-2 number, since 2×1312231332319² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1312231332359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656115666159 + 656115666160.

It is an arithmetic number, because the mean of its divisors is an integer number (656115666160).

Almost surely, 2^{1312231332319} is an apocalyptic number.

1312231332319 is a deficient number, since it is larger than the sum of its proper divisors (1).

1312231332319 is an equidigital number, since it uses as much as digits as its factorization.

1312231332319 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17496, while the sum is 34.

The spelling of 1312231332319 in words is "one trillion, three hundred twelve billion, two hundred thirty-one million, three hundred thirty-two thousand, three hundred nineteen".