131125243344 has 40 divisors (see below), whose sum is σ = 338820016512. Its totient is φ = 43698117120.

The previous prime is 131125243321. The next prime is 131125243363. The reversal of 131125243344 is 443342521131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114552 + ... + 524759.

Almost surely, 2^131125243344 is an apocalyptic number.

It is an amenable number.

131125243344 is an abundant number, since it is smaller than the sum of its proper divisors (207694773168).

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

131125243344 is a wasteful number, since it uses less digits than its factorization.

131125243344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 643595 (or 643589 counting only the distinct ones).

The product of its digits is 34560, while the sum is 33.

Adding to 131125243344 its reverse (443342521131), we get a palindrome (574467764475).

The spelling of 131125243344 in words is "one hundred thirty-one billion, one hundred twenty-five million, two hundred forty-three thousand, three hundred forty-four".