3221131223 has 2 divisors, whose sum is σ = 3221131224. Its totient is φ = 3221131222.

The previous prime is 3221131201. The next prime is 3221131231. The reversal of 3221131223 is 3221311223.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3221131223 - 2⁶ = 3221131159 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3221131195 and 3221131204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3221131273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1610565611 + 1610565612.

It is an arithmetic number, because the mean of its divisors is an integer number (1610565612).

Almost surely, 2^3221131223 is an apocalyptic number.

3221131223 is a deficient number, since it is larger than the sum of its proper divisors (1).

3221131223 is an equidigital number, since it uses as much as digits as its factorization.

3221131223 is an odious number, because the sum of its binary digits is odd.

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

The square root of 3221131223 is about 56755.0105541352. The cubic root of 3221131223 is about 1476.8491561318.

Adding to 3221131223 its reverse (3221311223), we get a palindrome (6442442446).

The spelling of 3221131223 in words is "three billion, two hundred twenty-one million, one hundred thirty-one thousand, two hundred twenty-three".