3231311212 has 12 divisors (see below), whose sum is σ = 5692244656. Its totient is φ = 1604955600.

The previous prime is 3231311203. The next prime is 3231311219. The reversal of 3231311212 is 2121131323.

It is a self number, because there is not a number n which added to its sum of digits gives 3231311212.

It is not an unprimeable number, because it can be changed into a prime (3231311219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2674323 + ... + 2675530.

Almost surely, 2^3231311212 is an apocalyptic number.

It is an amenable number.

3231311212 is a deficient number, since it is larger than the sum of its proper divisors (2460933444).

3231311212 is a wasteful number, since it uses less digits than its factorization.

3231311212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5350008 (or 5350006 counting only the distinct ones).

The product of its digits is 216, while the sum is 19.

The square root of 3231311212 is about 56844.6234220968. The cubic root of 3231311212 is about 1478.4033200623.

Adding to 3231311212 its reverse (2121131323), we get a palindrome (5352442535).

The spelling of 3231311212 in words is "three billion, two hundred thirty-one million, three hundred eleven thousand, two hundred twelve".