131222460079 has 2 divisors, whose sum is σ = 131222460080. Its totient is φ = 131222460078.

The previous prime is 131222460067. The next prime is 131222460113. The reversal of 131222460079 is 970064222131.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131222460079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131222460979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65611230039 + 65611230040.

It is an arithmetic number, because the mean of its divisors is an integer number (65611230040).

Almost surely, 2^131222460079 is an apocalyptic number.

131222460079 is a deficient number, since it is larger than the sum of its proper divisors (1).

131222460079 is an equidigital number, since it uses as much as digits as its factorization.

131222460079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 37.

The spelling of 131222460079 in words is "one hundred thirty-one billion, two hundred twenty-two million, four hundred sixty thousand, seventy-nine".