3231881472 has 36 divisors (see below), whose sum is σ = 8601519920. Its totient is φ = 1077293568.

The previous prime is 3231881467. The next prime is 3231881483. The reversal of 3231881472 is 2741881323.

It is a self number, because there is not a number n which added to its sum of digits gives 3231881472.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2103322 + ... + 2104857.

Almost surely, 2^3231881472 is an apocalyptic number.

3231881472 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

3231881472 is an abundant number, since it is smaller than the sum of its proper divisors (5369638448).

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

3231881472 is an equidigital number, since it uses as much as digits as its factorization.

3231881472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4208198 (or 4208184 counting only the distinct ones).

The product of its digits is 64512, while the sum is 39.

The square root of 3231881472 is about 56849.6391545276. The cubic root of 3231881472 is about 1478.4902842110.

The spelling of 3231881472 in words is "three billion, two hundred thirty-one million, eight hundred eighty-one thousand, four hundred seventy-two".