322103321 has 2 divisors, whose sum is σ = 322103322. Its totient is φ = 322103320.

The previous prime is 322103279. The next prime is 322103381. The reversal of 322103321 is 123301223.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 321700096 + 403225 = 17936^2 + 635^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-322103321 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 322103321.

It is not a weakly prime, because it can be changed into another prime (322103381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161051660 + 161051661.

It is an arithmetic number, because the mean of its divisors is an integer number (161051661).

Almost surely, 2^322103321 is an apocalyptic number.

It is an amenable number.

322103321 is a deficient number, since it is larger than the sum of its proper divisors (1).

322103321 is an equidigital number, since it uses as much as digits as its factorization.

322103321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 322103321 is about 17947.2371411312. The cubic root of 322103321 is about 685.4857023794.

Adding to 322103321 its reverse (123301223), we get a palindrome (445404544).

The spelling of 322103321 in words is "three hundred twenty-two million, one hundred three thousand, three hundred twenty-one".