323211323330213 has 4 divisors (see below), whose sum is σ = 323211402489900. Its totient is φ = 323211244170528.

The previous prime is 323211323330197. The next prime is 323211323330221. The reversal of 323211323330213 is 312033323112323.

It is a happy number.

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 277077097970689 + 46134225359524 = 16645633^2 + 6792218^2 .

It is a cyclic number.

It is not a de Polignac number, because 323211323330213 - 2⁴ = 323211323330197 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 323211323330213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (323211323330713) 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, 33101888 + ... + 41739161.

It is an arithmetic number, because the mean of its divisors is an integer number (80802850622475).

Almost surely, 2^{323211323330213} is an apocalyptic number.

It is an amenable number.

323211323330213 is a deficient number, since it is larger than the sum of its proper divisors (79159687).

323211323330213 is an equidigital number, since it uses as much as digits as its factorization.

323211323330213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79159686.

The product of its (nonzero) digits is 34992, while the sum is 32.

Adding to 323211323330213 its reverse (312033323112323), we get a palindrome (635244646442536).

The spelling of 323211323330213 in words is "three hundred twenty-three trillion, two hundred eleven billion, three hundred twenty-three million, three hundred thirty thousand, two hundred thirteen".