131403112 has 32 divisors (see below), whose sum is σ = 251942400. Its totient is φ = 64227904.

The previous prime is 131403109. The next prime is 131403113. The reversal of 131403112 is 211304131.

131403112 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (131403113) 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, 202773 + ... + 203419.

It is an arithmetic number, because the mean of its divisors is an integer number (7873200).

Almost surely, 2^131403112 is an apocalyptic number.

It is an amenable number.

131403112 is a deficient number, since it is larger than the sum of its proper divisors (120539288).

131403112 is a wasteful number, since it uses less digits than its factorization.

131403112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1185 (or 1181 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 131403112 is about 11463.1196451926. The cubic root of 131403112 is about 508.3957174594.

Adding to 131403112 its reverse (211304131), we get a palindrome (342707243).

The spelling of 131403112 in words is "one hundred thirty-one million, four hundred three thousand, one hundred twelve".