3213242420 has 96 divisors (see below), whose sum is σ = 7336562688. Its totient is φ = 1177505792.

The previous prime is 3213242413. The next prime is 3213242503. The reversal of 3213242420 is 242423123.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3722909 + ... + 3723771.

It is an arithmetic number, because the mean of its divisors is an integer number (76422528).

Almost surely, 2^3213242420 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3213242420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3668281344).

3213242420 is an abundant number, since it is smaller than the sum of its proper divisors (4123320268).

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

3213242420 is a wasteful number, since it uses less digits than its factorization.

3213242420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1169 (or 1167 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 3213242420 is about 56685.4692139000. The cubic root of 3213242420 is about 1475.6425307505.

Adding to 3213242420 its reverse (242423123), we get a palindrome (3455665543).

The spelling of 3213242420 in words is "three billion, two hundred thirteen million, two hundred forty-two thousand, four hundred twenty".