131311130211311 has 4 divisors (see below), whose sum is σ = 132313505251224. Its totient is φ = 130308755171400.

The previous prime is 131311130211281. The next prime is 131311130211329. The reversal of 131311130211311 is 113112031113131.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 131311130211311 - 2³⁴ = 131293950342127 is a prime.

It is a super-2 number, since 2×131311130211311² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131311130201311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 501187519760 + ... + 501187520021.

It is an arithmetic number, because the mean of its divisors is an integer number (33078376312806).

Almost surely, 2^{131311130211311} is an apocalyptic number.

131311130211311 is a deficient number, since it is larger than the sum of its proper divisors (1002375039913).

131311130211311 is a wasteful number, since it uses less digits than its factorization.

131311130211311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1002375039912.

The product of its (nonzero) digits is 162, while the sum is 23.

Adding to 131311130211311 its reverse (113112031113131), we get a palindrome (244423161324442).

The spelling of 131311130211311 in words is "one hundred thirty-one trillion, three hundred eleven billion, one hundred thirty million, two hundred eleven thousand, three hundred eleven".