131431102241 has 2 divisors, whose sum is σ = 131431102242. Its totient is φ = 131431102240.

The previous prime is 131431102211. The next prime is 131431102279. The reversal of 131431102241 is 142201134131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 99890763025 + 31540339216 = 316055^2 + 177596^2 .

It is a cyclic number.

It is not a de Polignac number, because 131431102241 - 2³⁰ = 130357360417 is a prime.

It is not a weakly prime, because it can be changed into another prime (131431102211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65715551120 + 65715551121.

It is an arithmetic number, because the mean of its divisors is an integer number (65715551121).

Almost surely, 2^131431102241 is an apocalyptic number.

It is an amenable number.

131431102241 is a deficient number, since it is larger than the sum of its proper divisors (1).

131431102241 is an equidigital number, since it uses as much as digits as its factorization.

131431102241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 131431102241 its reverse (142201134131), we get a palindrome (273632236372).

The spelling of 131431102241 in words is "one hundred thirty-one billion, four hundred thirty-one million, one hundred two thousand, two hundred forty-one".