131040112 has 90 divisors (see below), whose sum is σ = 312377328. Its totient is φ = 53089344.

The previous prime is 131040109. The next prime is 131040149. The reversal of 131040112 is 211040131.

It is a junction number, because it is equal to n+sod(n) for n = 131040092 and 131040101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 282793 + ... + 283255.

Almost surely, 2^131040112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 131040112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (156188664).

131040112 is an abundant number, since it is smaller than the sum of its proper divisors (181337216).

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

131040112 is a wasteful number, since it uses less digits than its factorization.

131040112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 523 (or 491 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 131040112 is about 11447.2753089982. The cubic root of 131040112 is about 507.9271394047.

Adding to 131040112 its reverse (211040131), we get a palindrome (342080243).

The spelling of 131040112 in words is "one hundred thirty-one million, forty thousand, one hundred twelve".