131340405441241 has 2 divisors, whose sum is σ = 131340405441242. Its totient is φ = 131340405441240.

The previous prime is 131340405441233. The next prime is 131340405441277. The reversal of 131340405441241 is 142144504043131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 114755963681241 + 16584441760000 = 10712421^2 + 4072400^2 .

It is a cyclic number.

It is not a de Polignac number, because 131340405441241 - 2³ = 131340405441233 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 131340405441241.

It is not a weakly prime, because it can be changed into another prime (131340405441941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65670202720620 + 65670202720621.

It is an arithmetic number, because the mean of its divisors is an integer number (65670202720621).

Almost surely, 2^{131340405441241} is an apocalyptic number.

It is an amenable number.

131340405441241 is a deficient number, since it is larger than the sum of its proper divisors (1).

131340405441241 is an equidigital number, since it uses as much as digits as its factorization.

131340405441241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 92160, while the sum is 37.

Adding to 131340405441241 its reverse (142144504043131), we get a palindrome (273484909484372).

The spelling of 131340405441241 in words is "one hundred thirty-one trillion, three hundred forty billion, four hundred five million, four hundred forty-one thousand, two hundred forty-one".