131369475443 has 2 divisors, whose sum is σ = 131369475444. Its totient is φ = 131369475442.

The previous prime is 131369475421. The next prime is 131369475529. The reversal of 131369475443 is 344574963131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 131369475443 - 2⁶ = 131369475379 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 131369475391 and 131369475400.

It is not a weakly prime, because it can be changed into another prime (131369475143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65684737721 + 65684737722.

It is an arithmetic number, because the mean of its divisors is an integer number (65684737722).

Almost surely, 2^131369475443 is an apocalyptic number.

131369475443 is a deficient number, since it is larger than the sum of its proper divisors (1).

131369475443 is an equidigital number, since it uses as much as digits as its factorization.

131369475443 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3265920, while the sum is 50.

The spelling of 131369475443 in words is "one hundred thirty-one billion, three hundred sixty-nine million, four hundred seventy-five thousand, four hundred forty-three".