3328181045321 has 16 divisors (see below), whose sum is σ = 3639933961920. Its totient is φ = 3017961246720.

The previous prime is 3328181045317. The next prime is 3328181045323. The reversal of 3328181045321 is 1235401818233.

It is a cyclic number.

It is not a de Polignac number, because 3328181045321 - 2² = 3328181045317 is a prime.

It is a super-2 number, since 2×3328181045321² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3328181045323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68508986 + ... + 68557548.

It is an arithmetic number, because the mean of its divisors is an integer number (227495872620).

Almost surely, 2^{3328181045321} is an apocalyptic number.

It is an amenable number.

3328181045321 is a deficient number, since it is larger than the sum of its proper divisors (311752916599).

3328181045321 is a wasteful number, since it uses less digits than its factorization.

3328181045321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64216.

The product of its (nonzero) digits is 138240, while the sum is 41.

The spelling of 3328181045321 in words is "three trillion, three hundred twenty-eight billion, one hundred eighty-one million, forty-five thousand, three hundred twenty-one".