1312323319 has 2 divisors, whose sum is σ = 1312323320. Its totient is φ = 1312323318.

The previous prime is 1312323307. The next prime is 1312323323. The reversal of 1312323319 is 9133232131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1312323319 - 2⁹ = 1312322807 is a prime.

It is a super-2 number, since 2×1312323319² = 3444384987182351522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1312323349) 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, 656161659 + 656161660.

It is an arithmetic number, because the mean of its divisors is an integer number (656161660).

Almost surely, 2^1312323319 is an apocalyptic number.

1312323319 is a deficient number, since it is larger than the sum of its proper divisors (1).

1312323319 is an equidigital number, since it uses as much as digits as its factorization.

1312323319 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2916, while the sum is 28.

The square root of 1312323319 is about 36226.0033539445. The cubic root of 1312323319 is about 1094.8306540168.

The spelling of 1312323319 in words is "one billion, three hundred twelve million, three hundred twenty-three thousand, three hundred nineteen".