1311222332393 has 2 divisors, whose sum is σ = 1311222332394. Its totient is φ = 1311222332392.

The previous prime is 1311222332389. The next prime is 1311222332417. The reversal of 1311222332393 is 3932332221131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1222875470569 + 88346861824 = 1105837^2 + 297232^2 .

It is a cyclic number.

It is not a de Polignac number, because 1311222332393 - 2² = 1311222332389 is a prime.

It is a super-2 number, since 2×1311222332393² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1311222332323) 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, 655611166196 + 655611166197.

It is an arithmetic number, because the mean of its divisors is an integer number (655611166197).

Almost surely, 2^{1311222332393} is an apocalyptic number.

It is an amenable number.

1311222332393 is a deficient number, since it is larger than the sum of its proper divisors (1).

1311222332393 is an equidigital number, since it uses as much as digits as its factorization.

1311222332393 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34992, while the sum is 35.

The spelling of 1311222332393 in words is "one trillion, three hundred eleven billion, two hundred twenty-two million, three hundred thirty-two thousand, three hundred ninety-three".