3212213231 has 2 divisors, whose sum is σ = 3212213232. Its totient is φ = 3212213230.

The previous prime is 3212213203. The next prime is 3212213237. The reversal of 3212213231 is 1323122123.

It is a strong prime.

It is an emirp because it is prime and its reverse (1323122123) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3212213231 - 2¹⁰ = 3212212207 is a prime.

It is a super-2 number, since 2×3212213231² = 20636627682822918722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3212213237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1606106615 + 1606106616.

It is an arithmetic number, because the mean of its divisors is an integer number (1606106616).

Almost surely, 2^3212213231 is an apocalyptic number.

3212213231 is a deficient number, since it is larger than the sum of its proper divisors (1).

3212213231 is an equidigital number, since it uses as much as digits as its factorization.

3212213231 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 3212213231 is about 56676.3904196448. The cubic root of 3212213231 is about 1475.4849664134.

Adding to 3212213231 its reverse (1323122123), we get a palindrome (4535335354).

The spelling of 3212213231 in words is "three billion, two hundred twelve million, two hundred thirteen thousand, two hundred thirty-one".