131442112 has 14 divisors (see below), whose sum is σ = 260830568. Its totient is φ = 65721024.

The previous prime is 131442109. The next prime is 131442131. The reversal of 131442112 is 211244131.

It is a self number, because there is not a number n which added to its sum of digits gives 131442112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1026828 + ... + 1026955.

Almost surely, 2^131442112 is an apocalyptic number.

It is an amenable number.

131442112 is a deficient number, since it is larger than the sum of its proper divisors (129388456).

131442112 is an equidigital number, since it uses as much as digits as its factorization.

131442112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2053795 (or 2053785 counting only the distinct ones).

The product of its digits is 192, while the sum is 19.

The square root of 131442112 is about 11464.8206265951. The cubic root of 131442112 is about 508.4460091951.

Adding to 131442112 its reverse (211244131), we get a palindrome (342686243).

The spelling of 131442112 in words is "one hundred thirty-one million, four hundred forty-two thousand, one hundred twelve".