131230112 has 48 divisors (see below), whose sum is σ = 292894560. Its totient is φ = 57376512.

The previous prime is 131230087. The next prime is 131230117. The reversal of 131230112 is 211032131.

It is not an unprimeable number, because it can be changed into a prime (131230117) 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, 398 + ... + 16205.

It is an arithmetic number, because the mean of its divisors is an integer number (6101970).

Almost surely, 2^131230112 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 131230112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (146447280).

131230112 is an abundant number, since it is smaller than the sum of its proper divisors (161664448).

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

131230112 is a wasteful number, since it uses less digits than its factorization.

131230112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16645 (or 16637 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 131230112 is about 11455.5712210260. The cubic root of 131230112 is about 508.1725084242.

Adding to 131230112 its reverse (211032131), we get a palindrome (342262243).

The spelling of 131230112 in words is "one hundred thirty-one million, two hundred thirty thousand, one hundred twelve".