2321031020321 has 32 divisors (see below), whose sum is σ = 2578694227200. Its totient is φ = 2075743272960.

The previous prime is 2321031020317. The next prime is 2321031020323. The reversal of 2321031020321 is 1230201301232.

It is a cyclic number.

It is not a de Polignac number, because 2321031020321 - 2² = 2321031020317 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2321031020293 and 2321031020302.

It is not an unprimeable number, because it can be changed into a prime (2321031020323) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 188251685 + ... + 188264013.

It is an arithmetic number, because the mean of its divisors is an integer number (80584194600).

Almost surely, 2^{2321031020321} is an apocalyptic number.

It is an amenable number.

2321031020321 is a deficient number, since it is larger than the sum of its proper divisors (257663206879).

2321031020321 is a wasteful number, since it uses less digits than its factorization.

2321031020321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15929.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 2321031020321 its reverse (1230201301232), we get a palindrome (3551232321553).

The spelling of 2321031020321 in words is "two trillion, three hundred twenty-one billion, thirty-one million, twenty thousand, three hundred twenty-one".