131343232420447 has 2 divisors, whose sum is σ = 131343232420448. Its totient is φ = 131343232420446.

The previous prime is 131343232420297. The next prime is 131343232420501. The reversal of 131343232420447 is 744024232343131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 131343232420447 - 2³¹ = 131341084936799 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131343232400447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65671616210223 + 65671616210224.

It is an arithmetic number, because the mean of its divisors is an integer number (65671616210224).

Almost surely, 2^{131343232420447} is an apocalyptic number.

131343232420447 is a deficient number, since it is larger than the sum of its proper divisors (1).

131343232420447 is an equidigital number, since it uses as much as digits as its factorization.

131343232420447 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1161216, while the sum is 43.

Adding to 131343232420447 its reverse (744024232343131), we get a palindrome (875367464763578).

The spelling of 131343232420447 in words is "one hundred thirty-one trillion, three hundred forty-three billion, two hundred thirty-two million, four hundred twenty thousand, four hundred forty-seven".