131142422220673 has 2 divisors, whose sum is σ = 131142422220674. Its totient is φ = 131142422220672.

The previous prime is 131142422220629. The next prime is 131142422220709. The reversal of 131142422220673 is 376022224241131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 120932403443329 + 10210018777344 = 10996927^2 + 3195312^2 .

It is a cyclic number.

It is not a de Polignac number, because 131142422220673 - 2¹³ = 131142422212481 is a prime.

It is not a weakly prime, because it can be changed into another prime (131142422220613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65571211110336 + 65571211110337.

It is an arithmetic number, because the mean of its divisors is an integer number (65571211110337).

Almost surely, 2^{131142422220673} is an apocalyptic number.

It is an amenable number.

131142422220673 is a deficient number, since it is larger than the sum of its proper divisors (1).

131142422220673 is an equidigital number, since it uses as much as digits as its factorization.

131142422220673 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 193536, while the sum is 40.

The spelling of 131142422220673 in words is "one hundred thirty-one trillion, one hundred forty-two billion, four hundred twenty-two million, two hundred twenty thousand, six hundred seventy-three".