131110231 has 12 divisors (see below), whose sum is σ = 153325440. Its totient is φ = 111783840.

The previous prime is 131110219. The next prime is 131110237. The reversal of 131110231 is 132011131.

It is not a de Polignac number, because 131110231 - 2¹¹ = 131108183 is a prime.

It is a super-2 number, since 2×131110231² = 34379785345746722, which 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 (131110237) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2355 + ... + 16363.

It is an arithmetic number, because the mean of its divisors is an integer number (12777120).

Almost surely, 2^131110231 is an apocalyptic number.

131110231 is a deficient number, since it is larger than the sum of its proper divisors (22215209).

131110231 is a wasteful number, since it uses less digits than its factorization.

131110231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14214 (or 14207 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 13.

The square root of 131110231 is about 11450.3375932765. The cubic root of 131110231 is about 508.0177197923.

Adding to 131110231 its reverse (132011131), we get a palindrome (263121362).

The spelling of 131110231 in words is "one hundred thirty-one million, one hundred ten thousand, two hundred thirty-one".