3231331 has 2 divisors, whose sum is σ = 3231332. Its totient is φ = 3231330.

The previous prime is 3231329. The next prime is 3231367. The reversal of 3231331 is 1331323.

3231331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3231331 - 2¹ = 3231329 is a prime.

It is a super-2 number, since 2×3231331² = 20883000063122, which contains 22 as substring.

Together with 3231329, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (3231301) 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, 1615665 + 1615666.

It is an arithmetic number, because the mean of its divisors is an integer number (1615666).

Almost surely, 2^3231331 is an apocalyptic number.

3231331 is a deficient number, since it is larger than the sum of its proper divisors (1).

3231331 is an equidigital number, since it uses as much as digits as its factorization.

3231331 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 162, while the sum is 16.

The square root of 3231331 is about 1797.5903315272. The cubic root of 3231331 is about 147.8406337886.

Adding to 3231331 its reverse (1331323), we get a palindrome (4562654).

The spelling of 3231331 in words is "three million, two hundred thirty-one thousand, three hundred thirty-one".