131112132 has 24 divisors (see below), whose sum is σ = 316478400. Its totient is φ = 42196896.

The previous prime is 131112131. The next prime is 131112139. The reversal of 131112132 is 231211131.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (131112131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 188032 + ... + 188727.

It is an arithmetic number, because the mean of its divisors is an integer number (13186600).

Almost surely, 2^131112132 is an apocalyptic number.

131112132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

131112132 is an abundant number, since it is smaller than the sum of its proper divisors (185366268).

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

131112132 is a wasteful number, since it uses less digits than its factorization.

131112132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376795 (or 376793 counting only the distinct ones).

The product of its digits is 36, while the sum is 15.

The square root of 131112132 is about 11450.4206036285. The cubic root of 131112132 is about 508.0201750724.

Adding to 131112132 its reverse (231211131), we get a palindrome (362323263).

The spelling of 131112132 in words is "one hundred thirty-one million, one hundred twelve thousand, one hundred thirty-two".