131447993695201 has 2 divisors, whose sum is σ = 131447993695202. Its totient is φ = 131447993695200.

The previous prime is 131447993695177. The next prime is 131447993695223. The reversal of 131447993695201 is 102596399744131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 116276345488801 + 15171648206400 = 10783151^2 + 3895080^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131447993695201 is a prime.

It is not a weakly prime, because it can be changed into another prime (131447993692201) 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, 65723996847600 + 65723996847601.

It is an arithmetic number, because the mean of its divisors is an integer number (65723996847601).

Almost surely, 2^{131447993695201} is an apocalyptic number.

It is an amenable number.

131447993695201 is a deficient number, since it is larger than the sum of its proper divisors (1).

131447993695201 is an equidigital number, since it uses as much as digits as its factorization.

131447993695201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 44089920, while the sum is 64.

The spelling of 131447993695201 in words is "one hundred thirty-one trillion, four hundred forty-seven billion, nine hundred ninety-three million, six hundred ninety-five thousand, two hundred one".