321203369479871 has 2 divisors, whose sum is σ = 321203369479872. Its totient is φ = 321203369479870.

The previous prime is 321203369479843. The next prime is 321203369479931. The reversal of 321203369479871 is 178974963302123.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-321203369479871 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 321203369479798 and 321203369479807.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (321203369479831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160601684739935 + 160601684739936.

It is an arithmetic number, because the mean of its divisors is an integer number (160601684739936).

Almost surely, 2^{321203369479871} is an apocalyptic number.

321203369479871 is a deficient number, since it is larger than the sum of its proper divisors (1).

321203369479871 is an equidigital number, since it uses as much as digits as its factorization.

321203369479871 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 82301184, while the sum is 65.

The spelling of 321203369479871 in words is "three hundred twenty-one trillion, two hundred three billion, three hundred sixty-nine million, four hundred seventy-nine thousand, eight hundred seventy-one".