3201011320 has 128 divisors (see below), whose sum is σ = 8319931200. Its totient is φ = 1098399744.

The previous prime is 3201011309. The next prime is 3201011381. The reversal of 3201011320 is 231101023.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a self number, because there is not a number n which added to its sum of digits gives 3201011320.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 520584 + ... + 526696.

Almost surely, 2^3201011320 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 3201011320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4159965600).

3201011320 is an abundant number, since it is smaller than the sum of its proper divisors (5118919880).

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

3201011320 is a wasteful number, since it uses less digits than its factorization.

3201011320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6209 (or 6205 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 3201011320 is about 56577.4806791536. The cubic root of 3201011320 is about 1473.7678220525.

Adding to 3201011320 its reverse (231101023), we get a palindrome (3432112343).

The spelling of 3201011320 in words is "three billion, two hundred one million, eleven thousand, three hundred twenty".