131131322111 has 6 divisors (see below), whose sum is σ = 139298671200. Its totient is φ = 123417714656.

The previous prime is 131131322093. The next prime is 131131322137. The reversal of 131131322111 is 111223131131.

It is not a de Polignac number, because 131131322111 - 2³⁰ = 130057580287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131131322191) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 226870511 + ... + 226871088.

It is an arithmetic number, because the mean of its divisors is an integer number (23216445200).

Almost surely, 2^131131322111 is an apocalyptic number.

131131322111 is a deficient number, since it is larger than the sum of its proper divisors (8167349089).

131131322111 is an equidigital number, since it uses as much as digits as its factorization.

131131322111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 453741633 (or 453741616 counting only the distinct ones).

The product of its digits is 108, while the sum is 20.

Adding to 131131322111 its reverse (111223131131), we get a palindrome (242354453242).

The spelling of 131131322111 in words is "one hundred thirty-one billion, one hundred thirty-one million, three hundred twenty-two thousand, one hundred eleven".