131144044 has 6 divisors (see below), whose sum is σ = 229502084. Its totient is φ = 65572020.

The previous prime is 131144017. The next prime is 131144047. The reversal of 131144044 is 440441131.

It is not an unprimeable number, because it can be changed into a prime (131144047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16393002 + ... + 16393009.

Almost surely, 2^131144044 is an apocalyptic number.

It is an amenable number.

131144044 is a deficient number, since it is larger than the sum of its proper divisors (98358040).

131144044 is a wasteful number, since it uses less digits than its factorization.

131144044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32786015 (or 32786013 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 131144044 is about 11451.8140047767. The cubic root of 131144044 is about 508.0613882042.

Adding to 131144044 its reverse (440441131), we get a palindrome (571585175).

The spelling of 131144044 in words is "one hundred thirty-one million, one hundred forty-four thousand, forty-four".