131331112 has 32 divisors (see below), whose sum is σ = 269723520. Its totient is φ = 59453440.

The previous prime is 131331061. The next prime is 131331119. The reversal of 131331112 is 211133131.

It is not an unprimeable number, because it can be changed into a prime (131331119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19713 + ... + 25519.

It is an arithmetic number, because the mean of its divisors is an integer number (8428860).

Almost surely, 2^131331112 is an apocalyptic number.

It is an amenable number.

131331112 is an abundant number, since it is smaller than the sum of its proper divisors (138392408).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131331112 is a wasteful number, since it uses less digits than its factorization.

131331112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6081 (or 6077 counting only the distinct ones).

The product of its digits is 54, while the sum is 16.

The square root of 131331112 is about 11459.9787085317. The cubic root of 131331112 is about 508.3028450286.

Adding to 131331112 its reverse (211133131), we get a palindrome (342464243).

The spelling of 131331112 in words is "one hundred thirty-one million, three hundred thirty-one thousand, one hundred twelve".