321243311100079 has 2 divisors, whose sum is σ = 321243311100080. Its totient is φ = 321243311100078.

The previous prime is 321243311099999. The next prime is 321243311100149. The reversal of 321243311100079 is 970001113342123.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 321243311100079 - 2²¹ = 321243309002927 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (321243318100079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160621655550039 + 160621655550040.

It is an arithmetic number, because the mean of its divisors is an integer number (160621655550040).

Almost surely, 2^{321243311100079} is an apocalyptic number.

321243311100079 is a deficient number, since it is larger than the sum of its proper divisors (1).

321243311100079 is an equidigital number, since it uses as much as digits as its factorization.

321243311100079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27216, while the sum is 37.

The spelling of 321243311100079 in words is "three hundred twenty-one trillion, two hundred forty-three billion, three hundred eleven million, one hundred thousand, seventy-nine".