1311333319999 has 2 divisors, whose sum is σ = 1311333320000. Its totient is φ = 1311333319998.

The previous prime is 1311333319861. The next prime is 1311333320183. The reversal of 1311333319999 is 9999133331131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1311333319999 - 2²⁷ = 1311199102271 is a prime.

It is a super-2 number, since 2×1311333319999² (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 (1311333319399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 655666659999 + 655666660000.

It is an arithmetic number, because the mean of its divisors is an integer number (655666660000).

Almost surely, 2^{1311333319999} is an apocalyptic number.

1311333319999 is a deficient number, since it is larger than the sum of its proper divisors (1).

1311333319999 is an equidigital number, since it uses as much as digits as its factorization.

1311333319999 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1594323, while the sum is 55.

The spelling of 1311333319999 in words is "one trillion, three hundred eleven billion, three hundred thirty-three million, three hundred nineteen thousand, nine hundred ninety-nine".