3281561322 has 16 divisors (see below), whose sum is σ = 7067978400. Its totient is φ = 1009711152.

The previous prime is 3281561299. The next prime is 3281561359. The reversal of 3281561322 is 2231651823.

3281561322 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21035572 + ... + 21035727.

It is an arithmetic number, because the mean of its divisors is an integer number (441748650).

Almost surely, 2^3281561322 is an apocalyptic number.

3281561322 is an abundant number, since it is smaller than the sum of its proper divisors (3786417078).

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

3281561322 is a wasteful number, since it uses less digits than its factorization.

3281561322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42071317.

The product of its digits is 17280, while the sum is 33.

The square root of 3281561322 is about 57284.9135636949. The cubic root of 3281561322 is about 1486.0274828612.

The spelling of 3281561322 in words is "three billion, two hundred eighty-one million, five hundred sixty-one thousand, three hundred twenty-two".