131010340122217 has 2 divisors, whose sum is σ = 131010340122218. Its totient is φ = 131010340122216.

The previous prime is 131010340122187. The next prime is 131010340122247. The reversal of 131010340122217 is 712221043010131.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (131010340122187) and next prime (131010340122247).

It can be written as a sum of positive squares in only one way, i.e., 129805667046441 + 1204673075776 = 11393229^2 + 1097576^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131010340122217 is a prime.

It is not a weakly prime, because it can be changed into another prime (131010340122247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65505170061108 + 65505170061109.

It is an arithmetic number, because the mean of its divisors is an integer number (65505170061109).

Almost surely, 2^{131010340122217} is an apocalyptic number.

It is an amenable number.

131010340122217 is a deficient number, since it is larger than the sum of its proper divisors (1).

131010340122217 is an equidigital number, since it uses as much as digits as its factorization.

131010340122217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 28.

Adding to 131010340122217 its reverse (712221043010131), we get a palindrome (843231383132348).

The spelling of 131010340122217 in words is "one hundred thirty-one trillion, ten billion, three hundred forty million, one hundred twenty-two thousand, two hundred seventeen".