131211222332479 has 2 divisors, whose sum is σ = 131211222332480. Its totient is φ = 131211222332478.

The previous prime is 131211222332417. The next prime is 131211222332483. The reversal of 131211222332479 is 974233222112131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 131211222332479 - 2²⁹ = 131210685461567 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131211222332579) 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, 65605611166239 + 65605611166240.

It is an arithmetic number, because the mean of its divisors is an integer number (65605611166240).

Almost surely, 2^{131211222332479} is an apocalyptic number.

131211222332479 is a deficient number, since it is larger than the sum of its proper divisors (1).

131211222332479 is an equidigital number, since it uses as much as digits as its factorization.

131211222332479 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 217728, while the sum is 43.

The spelling of 131211222332479 in words is "one hundred thirty-one trillion, two hundred eleven billion, two hundred twenty-two million, three hundred thirty-two thousand, four hundred seventy-nine".