131144441 has 12 divisors (see below), whose sum is σ = 139793472. Its totient is φ = 123000984.

The previous prime is 131144417. The next prime is 131144471. The reversal of 131144441 is 144441131.

It is not a de Polignac number, because 131144441 - 2¹⁴ = 131128057 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (131144401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35420 + ... + 38946.

It is an arithmetic number, because the mean of its divisors is an integer number (11649456).

Almost surely, 2^131144441 is an apocalyptic number.

It is an amenable number.

131144441 is a deficient number, since it is larger than the sum of its proper divisors (8649031).

131144441 is a wasteful number, since it uses less digits than its factorization.

131144441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3668 (or 3649 counting only the distinct ones).

The product of its digits is 768, while the sum is 23.

The square root of 131144441 is about 11451.8313382620. The cubic root of 131144441 is about 508.0619008724.

Adding to 131144441 its reverse (144441131), we get a palindrome (275585572).

The spelling of 131144441 in words is "one hundred thirty-one million, one hundred forty-four thousand, four hundred forty-one".