131343220010447 has 2 divisors, whose sum is σ = 131343220010448. Its totient is φ = 131343220010446.

The previous prime is 131343220010437. The next prime is 131343220010459. The reversal of 131343220010447 is 744010022343131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 131343220010447 - 2³⁰ = 131342146268623 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131343220010437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65671610005223 + 65671610005224.

It is an arithmetic number, because the mean of its divisors is an integer number (65671610005224).

Almost surely, 2^{131343220010447} is an apocalyptic number.

131343220010447 is a deficient number, since it is larger than the sum of its proper divisors (1).

131343220010447 is an equidigital number, since it uses as much as digits as its factorization.

131343220010447 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48384, while the sum is 35.

Adding to 131343220010447 its reverse (744010022343131), we get a palindrome (875353242353578).

The spelling of 131343220010447 in words is "one hundred thirty-one trillion, three hundred forty-three billion, two hundred twenty million, ten thousand, four hundred forty-seven".