321023130022321 has 4 divisors (see below), whose sum is σ = 326285804285044. Its totient is φ = 315760455759600.

The previous prime is 321023130022303. The next prime is 321023130022327. The reversal of 321023130022321 is 123220031320123.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 46962389173921 + 274060740848400 = 6852911^2 + 16554780^2 .

It is a cyclic number.

It is not a de Polignac number, because 321023130022321 - 2⁹ = 321023130021809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (321023130022327) 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, 2631337131270 + ... + 2631337131391.

It is an arithmetic number, because the mean of its divisors is an integer number (81571451071261).

Almost surely, 2^{321023130022321} is an apocalyptic number.

It is an amenable number.

321023130022321 is a deficient number, since it is larger than the sum of its proper divisors (5262674262723).

321023130022321 is an equidigital number, since it uses as much as digits as its factorization.

321023130022321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5262674262722.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 321023130022321 its reverse (123220031320123), we get a palindrome (444243161342444).

The spelling of 321023130022321 in words is "three hundred twenty-one trillion, twenty-three billion, one hundred thirty million, twenty-two thousand, three hundred twenty-one".