3216331 has 2 divisors, whose sum is σ = 3216332. Its totient is φ = 3216330.

The previous prime is 3216289. The next prime is 3216337. The reversal of 3216331 is 1336123.

3216331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3216331 - 2⁹ = 3215819 is a prime.

It is a super-2 number, since 2×3216331² = 20689570203122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3216299 and 3216308.

It is not a weakly prime, because it can be changed into another prime (3216337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1608165 + 1608166.

It is an arithmetic number, because the mean of its divisors is an integer number (1608166).

Almost surely, 2^3216331 is an apocalyptic number.

3216331 is a deficient number, since it is larger than the sum of its proper divisors (1).

3216331 is an equidigital number, since it uses as much as digits as its factorization.

3216331 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 324, while the sum is 19.

The square root of 3216331 is about 1793.4132262253. The cubic root of 3216331 is about 147.6115176956.

The spelling of 3216331 in words is "three million, two hundred sixteen thousand, three hundred thirty-one".