131031244112 has 20 divisors (see below), whose sum is σ = 260734470036. Its totient is φ = 63744929280.

The previous prime is 131031244087. The next prime is 131031244121. The reversal of 131031244112 is 211442130131.

It can be written as a sum of positive squares in 2 ways, for example, as 125148967696 + 5882276416 = 353764^2 + 76696^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110667689 + ... + 110668872.

Almost surely, 2^131031244112 is an apocalyptic number.

It is an amenable number.

131031244112 is a deficient number, since it is larger than the sum of its proper divisors (129703225924).

131031244112 is a wasteful number, since it uses less digits than its factorization.

131031244112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221336606 (or 221336600 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 131031244112 its reverse (211442130131), we get a palindrome (342473374243).

The spelling of 131031244112 in words is "one hundred thirty-one billion, thirty-one million, two hundred forty-four thousand, one hundred twelve".