131311223133311 has 16 divisors (see below), whose sum is σ = 143139396341760. Its totient is φ = 119730289091040.

The previous prime is 131311223133271. The next prime is 131311223133329. The reversal of 131311223133311 is 113331322113131.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131311223133311 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131311223133511) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3450395 + ... + 16568876.

It is an arithmetic number, because the mean of its divisors is an integer number (8946212271360).

Almost surely, 2^{131311223133311} is an apocalyptic number.

131311223133311 is a deficient number, since it is larger than the sum of its proper divisors (11828173208449).

131311223133311 is a wasteful number, since it uses less digits than its factorization.

131311223133311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20025446.

The product of its digits is 2916, while the sum is 29.

Adding to 131311223133311 its reverse (113331322113131), we get a palindrome (244642545246442).

The spelling of 131311223133311 in words is "one hundred thirty-one trillion, three hundred eleven billion, two hundred twenty-three million, one hundred thirty-three thousand, three hundred eleven".