131142422220479 has 2 divisors, whose sum is σ = 131142422220480. Its totient is φ = 131142422220478.

The previous prime is 131142422220443. The next prime is 131142422220499. The reversal of 131142422220479 is 974022224241131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 131142422220479 - 2⁸ = 131142422220223 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131142422220409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65571211110239 + 65571211110240.

It is an arithmetic number, because the mean of its divisors is an integer number (65571211110240).

Almost surely, 2^{131142422220479} is an apocalyptic number.

131142422220479 is a deficient number, since it is larger than the sum of its proper divisors (1).

131142422220479 is an equidigital number, since it uses as much as digits as its factorization.

131142422220479 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 387072, while the sum is 44.

The spelling of 131142422220479 in words is "one hundred thirty-one trillion, one hundred forty-two billion, four hundred twenty-two million, two hundred twenty thousand, four hundred seventy-nine".