321321301231213 has 16 divisors (see below), whose sum is σ = 332605018064896. Its totient is φ = 310095066597120.

The previous prime is 321321301231181. The next prime is 321321301231253. The reversal of 321321301231213 is 312132103123123.

It is a cyclic number.

It is not a de Polignac number, because 321321301231213 - 2⁵ = 321321301231181 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 (321321301231253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 260977195 + ... + 262205527.

It is an arithmetic number, because the mean of its divisors is an integer number (20787813629056).

Almost surely, 2^{321321301231213} is an apocalyptic number.

It is an amenable number.

321321301231213 is a deficient number, since it is larger than the sum of its proper divisors (11283716833683).

321321301231213 is a wasteful number, since it uses less digits than its factorization.

321321301231213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1251724.

The product of its (nonzero) digits is 3888, while the sum is 28.

Adding to 321321301231213 its reverse (312132103123123), we get a palindrome (633453404354336).

The spelling of 321321301231213 in words is "three hundred twenty-one trillion, three hundred twenty-one billion, three hundred one million, two hundred thirty-one thousand, two hundred thirteen".