3231231 has 8 divisors (see below), whose sum is σ = 4379184. Its totient is φ = 2118720.

The previous prime is 3231227. The next prime is 3231233. The reversal of 3231231 is 1321323.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3231231 - 2² = 3231227 is a prime.

It is a super-2 number, since 2×3231231² = 20881707550722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3231231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3231233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8646 + ... + 9011.

It is an arithmetic number, because the mean of its divisors is an integer number (547398).

Almost surely, 2^3231231 is an apocalyptic number.

3231231 is a deficient number, since it is larger than the sum of its proper divisors (1147953).

3231231 is a wasteful number, since it uses less digits than its factorization.

3231231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17721.

The product of its digits is 108, while the sum is 15.

The square root of 3231231 is about 1797.5625162981. The cubic root of 3231231 is about 147.8391086982.

Adding to 3231231 its reverse (1321323), we get a palindrome (4552554).

The spelling of 3231231 in words is "three million, two hundred thirty-one thousand, two hundred thirty-one".