131002131024217 has 2 divisors, whose sum is σ = 131002131024218. Its totient is φ = 131002131024216.

The previous prime is 131002131024157. The next prime is 131002131024221. The reversal of 131002131024217 is 712420131200131.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 98762571940096 + 32239559084121 = 9937936^2 + 5677989^2 .

It is a cyclic number.

It is not a de Polignac number, because 131002131024217 - 2²⁷ = 131001996806489 is a prime.

It is a super-2 number, since 2×131002131024217² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (131002131024517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65501065512108 + 65501065512109.

It is an arithmetic number, because the mean of its divisors is an integer number (65501065512109).

Almost surely, 2^{131002131024217} is an apocalyptic number.

It is an amenable number.

131002131024217 is a deficient number, since it is larger than the sum of its proper divisors (1).

131002131024217 is an equidigital number, since it uses as much as digits as its factorization.

131002131024217 is an odious number, because the sum of its binary digits is odd.

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

Adding to 131002131024217 its reverse (712420131200131), we get a palindrome (843422262224348).

The spelling of 131002131024217 in words is "one hundred thirty-one trillion, two billion, one hundred thirty-one million, twenty-four thousand, two hundred seventeen".