323213031013321 has 4 divisors (see below), whose sum is σ = 323213214745872. Its totient is φ = 323212847280772.

The previous prime is 323213031013289. The next prime is 323213031013331. The reversal of 323213031013321 is 123310130312323.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 323213031013321 - 2⁵ = 323213031013289 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 323213031013321.

It is not an unprimeable number, because it can be changed into a prime (323213031013331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89201791 + ... + 92754436.

It is an arithmetic number, because the mean of its divisors is an integer number (80803303686468).

Almost surely, 2^{323213031013321} is an apocalyptic number.

It is an amenable number.

323213031013321 is a deficient number, since it is larger than the sum of its proper divisors (183732551).

323213031013321 is a wasteful number, since it uses less digits than its factorization.

323213031013321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183732550.

The product of its (nonzero) digits is 5832, while the sum is 28.

Adding to 323213031013321 its reverse (123310130312323), we get a palindrome (446523161325644).

The spelling of 323213031013321 in words is "three hundred twenty-three trillion, two hundred thirteen billion, thirty-one million, thirteen thousand, three hundred twenty-one".