131202200042317 has 2 divisors, whose sum is σ = 131202200042318. Its totient is φ = 131202200042316.

The previous prime is 131202200042297. The next prime is 131202200042371. The reversal of 131202200042317 is 713240002202131.

Together with next prime (131202200042371) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 126358529746761 + 4843670295556 = 11240931^2 + 2200834^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131202200042317 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131202200046317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65601100021158 + 65601100021159.

It is an arithmetic number, because the mean of its divisors is an integer number (65601100021159).

Almost surely, 2^{131202200042317} is an apocalyptic number.

It is an amenable number.

131202200042317 is a deficient number, since it is larger than the sum of its proper divisors (1).

131202200042317 is an equidigital number, since it uses as much as digits as its factorization.

131202200042317 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 28.

Adding to 131202200042317 its reverse (713240002202131), we get a palindrome (844442202244448).

The spelling of 131202200042317 in words is "one hundred thirty-one trillion, two hundred two billion, two hundred million, forty-two thousand, three hundred seventeen".