3231345 has 32 divisors (see below), whose sum is σ = 5668992. Its totient is φ = 1562112.

The previous prime is 3231331. The next prime is 3231367. The reversal of 3231345 is 5431323.

3231345 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3231345 - 2⁴ = 3231329 is a prime.

It is a Curzon number.

It is an unprimeable number.

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 in 31 ways as a sum of consecutive naturals, for example, 14122 + ... + 14348.

It is an arithmetic number, because the mean of its divisors is an integer number (177156).

Almost surely, 2^3231345 is an apocalyptic number.

It is an amenable number.

3231345 is a deficient number, since it is larger than the sum of its proper divisors (2437647).

3231345 is a wasteful number, since it uses less digits than its factorization.

3231345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321.

The product of its digits is 1080, while the sum is 21.

The square root of 3231345 is about 1797.5942256249. The cubic root of 3231345 is about 147.8408472988.

Adding to 3231345 its reverse (5431323), we get a palindrome (8662668).

The spelling of 3231345 in words is "three million, two hundred thirty-one thousand, three hundred forty-five".