131022201212113 has 2 divisors, whose sum is σ = 131022201212114. Its totient is φ = 131022201212112.

The previous prime is 131022201212099. The next prime is 131022201212131. The reversal of 131022201212113 is 311212102220131.

It is a happy number.

Together with next prime (131022201212131) 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., 118305039283344 + 12717161928769 = 10876812^2 + 3566113^2 .

It is a cyclic number.

It is not a de Polignac number, because 131022201212113 - 2²⁵ = 131022167657681 is a prime.

It is not a weakly prime, because it can be changed into another prime (131022201212153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65511100606056 + 65511100606057.

It is an arithmetic number, because the mean of its divisors is an integer number (65511100606057).

Almost surely, 2^{131022201212113} is an apocalyptic number.

It is an amenable number.

131022201212113 is a deficient number, since it is larger than the sum of its proper divisors (1).

131022201212113 is an equidigital number, since it uses as much as digits as its factorization.

131022201212113 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 131022201212113 its reverse (311212102220131), we get a palindrome (442234303432244).

The spelling of 131022201212113 in words is "one hundred thirty-one trillion, twenty-two billion, two hundred one million, two hundred twelve thousand, one hundred thirteen".