3231603128 has 96 divisors (see below), whose sum is σ = 6727665600. Its totient is φ = 1454229504.

The previous prime is 3231603121. The next prime is 3231603143. The reversal of 3231603128 is 8213061323.

It is a self number, because there is not a number n which added to its sum of digits gives 3231603128.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3231603121) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13521233 + ... + 13521471.

It is an arithmetic number, because the mean of its divisors is an integer number (70079850).

Almost surely, 2^3231603128 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 3231603128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3363832800).

3231603128 is an abundant number, since it is smaller than the sum of its proper divisors (3496062472).

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

3231603128 is a wasteful number, since it uses less digits than its factorization.

3231603128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 481 (or 464 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 3231603128 is about 56847.1910299885. The cubic root of 3231603128 is about 1478.4478382738.

The spelling of 3231603128 in words is "three billion, two hundred thirty-one million, six hundred three thousand, one hundred twenty-eight".