131110033231 has 2 divisors, whose sum is σ = 131110033232. Its totient is φ = 131110033230.

The previous prime is 131110033213. The next prime is 131110033237. The reversal of 131110033231 is 132330011131.

Together with previous prime (131110033213) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 131110033231 - 2⁵ = 131110033199 is a prime.

It is a super-2 number, since 2×131110033231² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 131110033199 and 131110033208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131110033237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65555016615 + 65555016616.

It is an arithmetic number, because the mean of its divisors is an integer number (65555016616).

Almost surely, 2^131110033231 is an apocalyptic number.

131110033231 is a deficient number, since it is larger than the sum of its proper divisors (1).

131110033231 is an equidigital number, since it uses as much as digits as its factorization.

131110033231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 131110033231 its reverse (132330011131), we get a palindrome (263440044362).

The spelling of 131110033231 in words is "one hundred thirty-one billion, one hundred ten million, thirty-three thousand, two hundred thirty-one".