131431102020047 has 2 divisors, whose sum is σ = 131431102020048. Its totient is φ = 131431102020046.

The previous prime is 131431102020017. The next prime is 131431102020067. The reversal of 131431102020047 is 740020201134131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 131431102020047 - 2¹⁸ = 131431101757903 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131431102020017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65715551010023 + 65715551010024.

It is an arithmetic number, because the mean of its divisors is an integer number (65715551010024).

Almost surely, 2^{131431102020047} is an apocalyptic number.

131431102020047 is a deficient number, since it is larger than the sum of its proper divisors (1).

131431102020047 is an equidigital number, since it uses as much as digits as its factorization.

131431102020047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 29.

Adding to 131431102020047 its reverse (740020201134131), we get a palindrome (871451303154178).

The spelling of 131431102020047 in words is "one hundred thirty-one trillion, four hundred thirty-one billion, one hundred two million, twenty thousand, forty-seven".