131442220373 has 2 divisors, whose sum is σ = 131442220374. Its totient is φ = 131442220372.

The previous prime is 131442220369. The next prime is 131442220477. The reversal of 131442220373 is 373022244131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 117342557809 + 14099662564 = 342553^2 + 118742^2 .

It is an emirp because it is prime and its reverse (373022244131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 131442220373 - 2² = 131442220369 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131442220873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65721110186 + 65721110187.

It is an arithmetic number, because the mean of its divisors is an integer number (65721110187).

Almost surely, 2^131442220373 is an apocalyptic number.

It is an amenable number.

131442220373 is a deficient number, since it is larger than the sum of its proper divisors (1).

131442220373 is an equidigital number, since it uses as much as digits as its factorization.

131442220373 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24192, while the sum is 32.

The spelling of 131442220373 in words is "one hundred thirty-one billion, four hundred forty-two million, two hundred twenty thousand, three hundred seventy-three".