3220203212231 has 4 divisors (see below), whose sum is σ = 3220403701632. Its totient is φ = 3220002722832.

The previous prime is 3220203212207. The next prime is 3220203212243. The reversal of 3220203212231 is 1322123020223.

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 3220203212231 - 2¹⁸ = 3220202950087 is a prime.

It is a super-2 number, since 2×3220203212231² (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 = 3220203212197 and 3220203212206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3220203212251) 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, 100220606 + ... + 100252731.

It is an arithmetic number, because the mean of its divisors is an integer number (805100925408).

Almost surely, 2^{3220203212231} is an apocalyptic number.

3220203212231 is a deficient number, since it is larger than the sum of its proper divisors (200489401).

3220203212231 is a wasteful number, since it uses less digits than its factorization.

3220203212231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200489400.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 3220203212231 its reverse (1322123020223), we get a palindrome (4542326232454).

The spelling of 3220203212231 in words is "three trillion, two hundred twenty billion, two hundred three million, two hundred twelve thousand, two hundred thirty-one".