321135305325479 has 2 divisors, whose sum is σ = 321135305325480. Its totient is φ = 321135305325478.

The previous prime is 321135305325469. The next prime is 321135305325511. The reversal of 321135305325479 is 974523503531123.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 321135305325479 - 2¹⁶ = 321135305259943 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 321135305325479.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (321135305325469) 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, 160567652662739 + 160567652662740.

It is an arithmetic number, because the mean of its divisors is an integer number (160567652662740).

Almost surely, 2^{321135305325479} is an apocalyptic number.

321135305325479 is a deficient number, since it is larger than the sum of its proper divisors (1).

321135305325479 is an equidigital number, since it uses as much as digits as its factorization.

321135305325479 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10206000, while the sum is 53.

The spelling of 321135305325479 in words is "three hundred twenty-one trillion, one hundred thirty-five billion, three hundred five million, three hundred twenty-five thousand, four hundred seventy-nine".