321113312020321 has 8 divisors (see below), whose sum is σ = 328103568885600. Its totient is φ = 314174643767040.

The previous prime is 321113312020283. The next prime is 321113312020373. The reversal of 321113312020321 is 123020213311123.

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 321113312020321 - 2⁹ = 321113312019809 is a prime.

It is a super-3 number, since 3×321113312020321³ (a number of 44 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (321113312020421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12897140416 + ... + 12897165313.

It is an arithmetic number, because the mean of its divisors is an integer number (41012946110700).

Almost surely, 2^{321113312020321} is an apocalyptic number.

It is an amenable number.

321113312020321 is a deficient number, since it is larger than the sum of its proper divisors (6990256865279).

321113312020321 is a wasteful number, since it uses less digits than its factorization.

321113312020321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25794305999.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 321113312020321 its reverse (123020213311123), we get a palindrome (444133525331444).

The spelling of 321113312020321 in words is "three hundred twenty-one trillion, one hundred thirteen billion, three hundred twelve million, twenty thousand, three hundred twenty-one".