131530836244 has 12 divisors (see below), whose sum is σ = 230309833600. Its totient is φ = 65728026648.

The previous prime is 131530836211. The next prime is 131530836301. The reversal of 131530836244 is 442638035131.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 131530836197 and 131530836206.

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, 9339954 + ... + 9354025.

Almost surely, 2^131530836244 is an apocalyptic number.

It is an amenable number.

131530836244 is a deficient number, since it is larger than the sum of its proper divisors (98778997356).

131530836244 is a wasteful number, since it uses less digits than its factorization.

131530836244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18695742 (or 18695740 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 40.

The spelling of 131530836244 in words is "one hundred thirty-one billion, five hundred thirty million, eight hundred thirty-six thousand, two hundred forty-four".