322403421040321 has 4 divisors (see below), whose sum is σ = 322694136479700. Its totient is φ = 322112705600944.

The previous prime is 322403421040297. The next prime is 322403421040343. The reversal of 322403421040321 is 123040124304223.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2706732396225 + 319696688644096 = 1645215^2 + 17880064^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-322403421040321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (322403421047321) 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 in 3 ways as a sum of consecutive naturals, for example, 145357718026 + ... + 145357720243.

It is an arithmetic number, because the mean of its divisors is an integer number (80673534119925).

Almost surely, 2^{322403421040321} is an apocalyptic number.

It is an amenable number.

322403421040321 is a deficient number, since it is larger than the sum of its proper divisors (290715439379).

322403421040321 is a wasteful number, since it uses less digits than its factorization.

322403421040321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290715439378.

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 322403421040321 its reverse (123040124304223), we get a palindrome (445443545344544).

The spelling of 322403421040321 in words is "three hundred twenty-two trillion, four hundred three billion, four hundred twenty-one million, forty thousand, three hundred twenty-one".