3281080321 has 8 divisors (see below), whose sum is σ = 3300447744. Its totient is φ = 3261736080.

The previous prime is 3281080307. The next prime is 3281080343. The reversal of 3281080321 is 1230801823.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3281080321 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3281080321.

It is not an unprimeable number, because it can be changed into a prime (3281080351) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 336511 + ... + 346123.

It is an arithmetic number, because the mean of its divisors is an integer number (412555968).

Almost surely, 2^3281080321 is an apocalyptic number.

It is an amenable number.

3281080321 is a deficient number, since it is larger than the sum of its proper divisors (19367423).

3281080321 is a wasteful number, since it uses less digits than its factorization.

3281080321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11591.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 3281080321 is about 57280.7150880643. The cubic root of 3281080321 is about 1485.9548735592.

The spelling of 3281080321 in words is "three billion, two hundred eighty-one million, eighty thousand, three hundred twenty-one".