11311531119331 has 2 divisors, whose sum is σ = 11311531119332. Its totient is φ = 11311531119330.

The previous prime is 11311531119233. The next prime is 11311531119401. The reversal of 11311531119331 is 13391113511311.

It is a strong prime.

It is an emirp because it is prime and its reverse (13391113511311) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11311531119331 is a prime.

It is a super-2 number, since 2×11311531119331² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11311531113331) 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, 5655765559665 + 5655765559666.

It is an arithmetic number, because the mean of its divisors is an integer number (5655765559666).

Almost surely, 2^{11311531119331} is an apocalyptic number.

11311531119331 is a deficient number, since it is larger than the sum of its proper divisors (1).

11311531119331 is an equidigital number, since it uses as much as digits as its factorization.

11311531119331 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3645, while the sum is 34.

The spelling of 11311531119331 in words is "eleven trillion, three hundred eleven billion, five hundred thirty-one million, one hundred nineteen thousand, three hundred thirty-one".