322310421421 has 2 divisors, whose sum is σ = 322310421422. Its totient is φ = 322310421420.

The previous prime is 322310421397. The next prime is 322310421449. The reversal of 322310421421 is 124124013223.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 319466865796 + 2843555625 = 565214^2 + 53325^2 .

It is a cyclic number.

It is not a de Polignac number, because 322310421421 - 2²⁹ = 321773550509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (322110421421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161155210710 + 161155210711.

It is an arithmetic number, because the mean of its divisors is an integer number (161155210711).

Almost surely, 2^322310421421 is an apocalyptic number.

It is an amenable number.

322310421421 is a deficient number, since it is larger than the sum of its proper divisors (1).

322310421421 is an equidigital number, since it uses as much as digits as its factorization.

322310421421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 322310421421 its reverse (124124013223), we get a palindrome (446434434644).

The spelling of 322310421421 in words is "three hundred twenty-two billion, three hundred ten million, four hundred twenty-one thousand, four hundred twenty-one".