3231201120 has 576 divisors, whose sum is σ = 12575969280. Its totient is φ = 694407168.

The previous prime is 3231201109. The next prime is 3231201151. The reversal of 3231201120 is 211021323.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 3231201120.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 40901241 + ... + 40901319.

It is an arithmetic number, because the mean of its divisors is an integer number (21833280).

Almost surely, 2^3231201120 is an apocalyptic number.

3231201120 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 3231201120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6287984640).

3231201120 is an abundant number, since it is smaller than the sum of its proper divisors (9344768160).

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

3231201120 is a wasteful number, since it uses less digits than its factorization.

3231201120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195 (or 180 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 3231201120 is about 56843.6550548960. The cubic root of 3231201120 is about 1478.3865299507.

Adding to 3231201120 its reverse (211021323), we get a palindrome (3442222443).

The spelling of 3231201120 in words is "three billion, two hundred thirty-one million, two hundred one thousand, one hundred twenty".