3243001320 has 256 divisors, whose sum is σ = 12255264000. Its totient is φ = 756200448.

The previous prime is 3243001319. The next prime is 3243001337. The reversal of 3243001320 is 231003423.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 3243001293 and 3243001302.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 260682 + ... + 272838.

It is an arithmetic number, because the mean of its divisors is an integer number (47872125).

Almost surely, 2^3243001320 is an apocalyptic number.

3243001320 is a gapful number since it is divisible by the number (30) 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 3243001320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6127632000).

3243001320 is an abundant number, since it is smaller than the sum of its proper divisors (9012262680).

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

3243001320 is a wasteful number, since it uses less digits than its factorization.

3243001320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12209 (or 12199 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 3243001320 is about 56947.3556892680. The cubic root of 3243001320 is about 1480.1840104785.

Adding to 3243001320 its reverse (231003423), we get a palindrome (3474004743).

The spelling of 3243001320 in words is "three billion, two hundred forty-three million, one thousand, three hundred twenty".