1311003323239 has 2 divisors, whose sum is σ = 1311003323240. Its totient is φ = 1311003323238.

The previous prime is 1311003323219. The next prime is 1311003323261. The reversal of 1311003323239 is 9323233001131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1311003323239 - 2¹⁷ = 1311003192167 is a prime.

It is a super-2 number, since 2×1311003323239² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1311003323239.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1311003323219) 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, 655501661619 + 655501661620.

It is an arithmetic number, because the mean of its divisors is an integer number (655501661620).

Almost surely, 2^{1311003323239} is an apocalyptic number.

1311003323239 is a deficient number, since it is larger than the sum of its proper divisors (1).

1311003323239 is an equidigital number, since it uses as much as digits as its factorization.

1311003323239 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8748, while the sum is 31.

The spelling of 1311003323239 in words is "one trillion, three hundred eleven billion, three million, three hundred twenty-three thousand, two hundred thirty-nine".