323211012303221 has 6 divisors (see below), whose sum is σ = 375980157169110. Its totient is φ = 277038010545576.

The previous prime is 323211012303197. The next prime is 323211012303241. The reversal of 323211012303221 is 122303210112323.

It can be written as a sum of positive squares in only one way, i.e., 315755627796196 + 7455384507025 = 17769514^2 + 2730455^2 .

It is not a de Polignac number, because 323211012303221 - 2⁴² = 318812965792117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (323211012303241) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3298071554066 + ... + 3298071554163.

It is an arithmetic number, because the mean of its divisors is an integer number (62663359528185).

Almost surely, 2^{323211012303221} is an apocalyptic number.

It is an amenable number.

323211012303221 is a deficient number, since it is larger than the sum of its proper divisors (52769144865889).

323211012303221 is an equidigital number, since it uses as much as digits as its factorization.

323211012303221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6596143108243 (or 6596143108236 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 323211012303221 its reverse (122303210112323), we get a palindrome (445514222415544).

The spelling of 323211012303221 in words is "three hundred twenty-three trillion, two hundred eleven billion, twelve million, three hundred three thousand, two hundred twenty-one".