131141112022981 has 2 divisors, whose sum is σ = 131141112022982. Its totient is φ = 131141112022980.

The previous prime is 131141112022969. The next prime is 131141112023011. The reversal of 131141112022981 is 189220211141131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 123506992756900 + 7634119266081 = 11113370^2 + 2762991^2 .

It is a cyclic number.

It is not a de Polignac number, because 131141112022981 - 2⁹ = 131141112022469 is a prime.

It is a super-3 number, since 3×131141112022981³ (a number of 43 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 131141112022981.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131141112022381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65570556011490 + 65570556011491.

It is an arithmetic number, because the mean of its divisors is an integer number (65570556011491).

Almost surely, 2^{131141112022981} is an apocalyptic number.

It is an amenable number.

131141112022981 is a deficient number, since it is larger than the sum of its proper divisors (1).

131141112022981 is an equidigital number, since it uses as much as digits as its factorization.

131141112022981 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 37.

The spelling of 131141112022981 in words is "one hundred thirty-one trillion, one hundred forty-one billion, one hundred twelve million, twenty-two thousand, nine hundred eighty-one".