3231220200 has 96 divisors (see below), whose sum is σ = 10787330400. Its totient is φ = 795375360.

The previous prime is 3231220183. The next prime is 3231220211. The reversal of 3231220200 is 20221323.

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 3231220200.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 199330 + ... + 214929.

It is an arithmetic number, because the mean of its divisors is an integer number (112368025).

Almost surely, 2^3231220200 is an apocalyptic number.

3231220200 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3231220200 is an abundant number, since it is smaller than the sum of its proper divisors (7556110200).

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

3231220200 is a wasteful number, since it uses less digits than its factorization.

3231220200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414291 (or 414282 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 3231220200 is about 56843.8228834057. The cubic root of 3231220200 is about 1478.3894398655.

Adding to 3231220200 its reverse (20221323), we get a palindrome (3251441523).

The spelling of 3231220200 in words is "three billion, two hundred thirty-one million, two hundred twenty thousand, two hundred".