3213211232 has 96 divisors (see below), whose sum is σ = 7905268224. Its totient is φ = 1248998400.

The previous prime is 3213211229. The next prime is 3213211247. The reversal of 3213211232 is 2321123123.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1282493 + ... + 1284995.

It is an arithmetic number, because the mean of its divisors is an integer number (82346544).

Almost surely, 2^3213211232 is an apocalyptic number.

3213211232 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3213211232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3952634112).

3213211232 is an abundant number, since it is smaller than the sum of its proper divisors (4692056992).

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

3213211232 is a wasteful number, since it uses less digits than its factorization.

3213211232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3052 (or 3044 counting only the distinct ones).

The product of its digits is 432, while the sum is 20.

The square root of 3213211232 is about 56685.1941162770. The cubic root of 3213211232 is about 1475.6377564984.

Adding to 3213211232 its reverse (2321123123), we get a palindrome (5534334355).

The spelling of 3213211232 in words is "three billion, two hundred thirteen million, two hundred eleven thousand, two hundred thirty-two".