3231313212 has 24 divisors (see below), whose sum is σ = 7542008656. Its totient is φ = 1076779008.

The previous prime is 3231313181. The next prime is 3231313229. The reversal of 3231313212 is 2123131323.

3231313212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2538 + ... + 80430.

Almost surely, 2^3231313212 is an apocalyptic number.

It is an amenable number.

3231313212 is an abundant number, since it is smaller than the sum of its proper divisors (4310695444).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3231313212 is a wasteful number, since it uses less digits than its factorization.

3231313212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81357 (or 81355 counting only the distinct ones).

The product of its digits is 648, while the sum is 21.

The square root of 3231313212 is about 56844.6410139074. The cubic root of 3231313212 is about 1478.4036250784.

Adding to 3231313212 its reverse (2123131323), we get a palindrome (5354444535).

It can be divided in two parts, 323131321 and 2, that added together give a palindrome (323131323).

The spelling of 3231313212 in words is "three billion, two hundred thirty-one million, three hundred thirteen thousand, two hundred twelve".