3213022231 has 2 divisors, whose sum is σ = 3213022232. Its totient is φ = 3213022230.

The previous prime is 3213022207. The next prime is 3213022261. The reversal of 3213022231 is 1322203123.

It is a weak prime.

It is an emirp because it is prime and its reverse (1322203123) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3213022231 - 2³¹ = 1065538583 is a prime.

It is a super-2 number, since 2×3213022231² = 20647023713800434722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3213022199 and 3213022208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3213022261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1606511115 + 1606511116.

It is an arithmetic number, because the mean of its divisors is an integer number (1606511116).

Almost surely, 2^3213022231 is an apocalyptic number.

3213022231 is a deficient number, since it is larger than the sum of its proper divisors (1).

3213022231 is an equidigital number, since it uses as much as digits as its factorization.

3213022231 is an odious number, because the sum of its binary digits is odd.

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

The square root of 3213022231 is about 56683.5269809492. The cubic root of 3213022231 is about 1475.6088236065.

Adding to 3213022231 its reverse (1322203123), we get a palindrome (4535225354).

The spelling of 3213022231 in words is "three billion, two hundred thirteen million, twenty-two thousand, two hundred thirty-one".