3281103936 has 280 divisors, whose sum is σ = 10705758624. Its totient is φ = 985374720.

The previous prime is 3281103857. The next prime is 3281103937. The reversal of 3281103936 is 6393011823.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 3281103936.

It is not an unprimeable number, because it can be changed into a prime (3281103937) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 9294736 + ... + 9295088.

Almost surely, 2^3281103936 is an apocalyptic number.

3281103936 is a gapful number since it is divisible by the number (36) 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 3281103936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5352879312).

3281103936 is an abundant number, since it is smaller than the sum of its proper divisors (7424654688).

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

3281103936 is a wasteful number, since it uses less digits than its factorization.

3281103936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 551 (or 532 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 3281103936 is about 57280.9212216424. The cubic root of 3281103936 is about 1485.9584385172.

The spelling of 3281103936 in words is "three billion, two hundred eighty-one million, one hundred three thousand, nine hundred thirty-six".