4320221113231 has 4 divisors (see below), whose sum is σ = 4320266060952. Its totient is φ = 4320176165512.

The previous prime is 4320221113217. The next prime is 4320221113253. The reversal of 4320221113231 is 1323111220234.

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

It is a cyclic number.

It is not a de Polignac number, because 4320221113231 - 2²⁹ = 4319684242319 is a prime.

It is a super-2 number, since 2×4320221113231² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4320221113196 and 4320221113205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4320221113261) 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, 22329376 + ... + 22522021.

It is an arithmetic number, because the mean of its divisors is an integer number (1080066515238).

Almost surely, 2^{4320221113231} is an apocalyptic number.

4320221113231 is a deficient number, since it is larger than the sum of its proper divisors (44947721).

4320221113231 is an equidigital number, since it uses as much as digits as its factorization.

4320221113231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44947720.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 4320221113231 its reverse (1323111220234), we get a palindrome (5643332333465).

The spelling of 4320221113231 in words is "four trillion, three hundred twenty billion, two hundred twenty-one million, one hundred thirteen thousand, two hundred thirty-one".