131040344 has 8 divisors (see below), whose sum is σ = 245700660. Its totient is φ = 65520168.

The previous prime is 131040331. The next prime is 131040353. The reversal of 131040344 is 443040131.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

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, 8190014 + ... + 8190029.

Almost surely, 2^131040344 is an apocalyptic number.

It is an amenable number.

131040344 is a deficient number, since it is larger than the sum of its proper divisors (114660316).

131040344 is a wasteful number, since it uses less digits than its factorization.

131040344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16380049 (or 16380045 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 131040344 is about 11447.2854424095. The cubic root of 131040344 is about 507.9274391577.

Adding to 131040344 its reverse (443040131), we get a palindrome (574080475).

The spelling of 131040344 in words is "one hundred thirty-one million, forty thousand, three hundred forty-four".