3282320981 has 4 divisors (see below), whose sum is σ = 3337953600. Its totient is φ = 3226688364.

The previous prime is 3282320953. The next prime is 3282321011. The reversal of 3282320981 is 1890232823.

3282320981 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3282320981 - 2¹⁸ = 3282058837 is a prime.

It is a super-2 number, since 2×3282320981² = 21547262044625604722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3282320911) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27816221 + ... + 27816338.

It is an arithmetic number, because the mean of its divisors is an integer number (834488400).

Almost surely, 2^3282320981 is an apocalyptic number.

It is an amenable number.

3282320981 is a deficient number, since it is larger than the sum of its proper divisors (55632619).

3282320981 is an equidigital number, since it uses as much as digits as its factorization.

3282320981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55632618.

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 3282320981 is about 57291.5437128378. The cubic root of 3282320981 is about 1486.1421424133.

The spelling of 3282320981 in words is "three billion, two hundred eighty-two million, three hundred twenty thousand, nine hundred eighty-one".