321321220322213 has 8 divisors (see below), whose sum is σ = 326333463697920. Its totient is φ = 316343663752320.

The previous prime is 321321220322209. The next prime is 321321220322261. The reversal of 321321220322213 is 312223022123123.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 321321220322213 - 2² = 321321220322209 is a prime.

It is a super-2 number, since 2×321321220322213² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321321210322213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8671682783 + ... + 8671719836.

It is an arithmetic number, because the mean of its divisors is an integer number (40791682962240).

Almost surely, 2^{321321220322213} is an apocalyptic number.

It is an amenable number.

321321220322213 is a deficient number, since it is larger than the sum of its proper divisors (5012243375707).

321321220322213 is a wasteful number, since it uses less digits than its factorization.

321321220322213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17343402907.

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 321321220322213 its reverse (312223022123123), we get a palindrome (633544242445336).

The spelling of 321321220322213 in words is "three hundred twenty-one trillion, three hundred twenty-one billion, two hundred twenty million, three hundred twenty-two thousand, two hundred thirteen".