131314422395621 has 2 divisors, whose sum is σ = 131314422395622. Its totient is φ = 131314422395620.

The previous prime is 131314422395599. The next prime is 131314422395641. The reversal of 131314422395621 is 126593224413131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 103188519330625 + 28125903064996 = 10158175^2 + 5303386^2 .

It is a cyclic number.

It is not a de Polignac number, because 131314422395621 - 2⁶ = 131314422395557 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131314422395641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65657211197810 + 65657211197811.

It is an arithmetic number, because the mean of its divisors is an integer number (65657211197811).

Almost surely, 2^{131314422395621} is an apocalyptic number.

It is an amenable number.

131314422395621 is a deficient number, since it is larger than the sum of its proper divisors (1).

131314422395621 is an equidigital number, since it uses as much as digits as its factorization.

131314422395621 is an evil number, because the sum of its binary digits is even.

The product of its digits is 933120, while the sum is 47.

The spelling of 131314422395621 in words is "one hundred thirty-one trillion, three hundred fourteen billion, four hundred twenty-two million, three hundred ninety-five thousand, six hundred twenty-one".