131431104003443 has 16 divisors (see below), whose sum is σ = 138545651024640. Its totient is φ = 124336352469600.

The previous prime is 131431104003403. The next prime is 131431104003457. The reversal of 131431104003443 is 344300401134131.

It is a cyclic number.

It is not a de Polignac number, because 131431104003443 - 2⁸ = 131431104003187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131431104003403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55654733 + ... + 57968193.

It is an arithmetic number, because the mean of its divisors is an integer number (8659103189040).

Almost surely, 2^{131431104003443} is an apocalyptic number.

131431104003443 is a deficient number, since it is larger than the sum of its proper divisors (7114547021197).

131431104003443 is a wasteful number, since it uses less digits than its factorization.

131431104003443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2317738.

The product of its (nonzero) digits is 20736, while the sum is 32.

Adding to 131431104003443 its reverse (344300401134131), we get a palindrome (475731505137574).

The spelling of 131431104003443 in words is "one hundred thirty-one trillion, four hundred thirty-one billion, one hundred four million, three thousand, four hundred forty-three".