131404243340341 has 2 divisors, whose sum is σ = 131404243340342. Its totient is φ = 131404243340340.

The previous prime is 131404243340327. The next prime is 131404243340417. The reversal of 131404243340341 is 143043342404131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 128816166777841 + 2588076562500 = 11349721^2 + 1608750^2 .

It is a cyclic number.

It is not a de Polignac number, because 131404243340341 - 2¹⁹ = 131404242816053 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 131404243340341.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131404243340141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65702121670170 + 65702121670171.

It is an arithmetic number, because the mean of its divisors is an integer number (65702121670171).

Almost surely, 2^{131404243340341} is an apocalyptic number.

It is an amenable number.

131404243340341 is a deficient number, since it is larger than the sum of its proper divisors (1).

131404243340341 is an equidigital number, since it uses as much as digits as its factorization.

131404243340341 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 165888, while the sum is 37.

Adding to 131404243340341 its reverse (143043342404131), we get a palindrome (274447585744472).

The spelling of 131404243340341 in words is "one hundred thirty-one trillion, four hundred four billion, two hundred forty-three million, three hundred forty thousand, three hundred forty-one".