131142112 has 48 divisors (see below), whose sum is σ = 264049632. Its totient is φ = 64099840.

The previous prime is 131142107. The next prime is 131142119. The reversal of 131142112 is 211241131.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131142119) 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, 447438 + ... + 447730.

It is an arithmetic number, because the mean of its divisors is an integer number (5501034).

Almost surely, 2^131142112 is an apocalyptic number.

It is an amenable number.

131142112 is an abundant number, since it is smaller than the sum of its proper divisors (132907520).

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

131142112 is a wasteful number, since it uses less digits than its factorization.

131142112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 571 (or 563 counting only the distinct ones).

The product of its digits is 48, while the sum is 16.

The square root of 131142112 is about 11451.7296510178. The cubic root of 131142112 is about 508.0588932899.

Adding to 131142112 its reverse (211241131), we get a palindrome (342383243).

The spelling of 131142112 in words is "one hundred thirty-one million, one hundred forty-two thousand, one hundred twelve".