131533313311 has 2 divisors, whose sum is σ = 131533313312. Its totient is φ = 131533313310.

The previous prime is 131533313299. The next prime is 131533313341. The reversal of 131533313311 is 113313335131.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131533313311 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 131533313311.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131533313341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65766656655 + 65766656656.

It is an arithmetic number, because the mean of its divisors is an integer number (65766656656).

Almost surely, 2^131533313311 is an apocalyptic number.

131533313311 is a deficient number, since it is larger than the sum of its proper divisors (1).

131533313311 is an equidigital number, since it uses as much as digits as its factorization.

131533313311 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3645, while the sum is 28.

Adding to 131533313311 its reverse (113313335131), we get a palindrome (244846648442).

The spelling of 131533313311 in words is "one hundred thirty-one billion, five hundred thirty-three million, three hundred thirteen thousand, three hundred eleven".