3223021231 has 4 divisors (see below), whose sum is σ = 3256248352. Its totient is φ = 3189794112.

The previous prime is 3223021199. The next prime is 3223021259. The reversal of 3223021231 is 1321203223.

3223021231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 3223021231 - 2⁵ = 3223021199 is a prime.

It is a super-2 number, since 2×3223021231² = 20775731710953510722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3223021199 and 3223021208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3223025231) 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, 16613415 + ... + 16613608.

It is an arithmetic number, because the mean of its divisors is an integer number (814062088).

Almost surely, 2^3223021231 is an apocalyptic number.

3223021231 is a deficient number, since it is larger than the sum of its proper divisors (33227121).

3223021231 is an equidigital number, since it uses as much as digits as its factorization.

3223021231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33227120.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 3223021231 is about 56771.6586951623. The cubic root of 3223021231 is about 1477.1379481512.

Adding to 3223021231 its reverse (1321203223), we get a palindrome (4544224454).

The spelling of 3223021231 in words is "three billion, two hundred twenty-three million, twenty-one thousand, two hundred thirty-one".