131303231441 has 16 divisors (see below), whose sum is σ = 139893473280. Its totient is φ = 123049452240.

The previous prime is 131303231431. The next prime is 131303231443. The reversal of 131303231441 is 144132303131.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131303231441 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 131303231441.

It is not an unprimeable number, because it can be changed into a prime (131303231443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 413201 + ... + 658286.

It is an arithmetic number, because the mean of its divisors is an integer number (8743342080).

Almost surely, 2^131303231441 is an apocalyptic number.

It is an amenable number.

131303231441 is a deficient number, since it is larger than the sum of its proper divisors (8590241839).

131303231441 is a wasteful number, since it uses less digits than its factorization.

131303231441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1071644.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 131303231441 its reverse (144132303131), we get a palindrome (275435534572).

The spelling of 131303231441 in words is "one hundred thirty-one billion, three hundred three million, two hundred thirty-one thousand, four hundred forty-one".