3321312020321 has 8 divisors (see below), whose sum is σ = 3542352539400. Its totient is φ = 3103123637248.

The previous prime is 3321312020317. The next prime is 3321312020357. The reversal of 3321312020321 is 1230202131233.

3321312020321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 350980414096 + 2970331606225 = 592436^2 + 1723465^2 .

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

It is not a de Polignac number, because 3321312020321 - 2² = 3321312020317 is a prime.

It is a super-2 number, since 2×3321312020321² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3321312010321) 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, 713031596 + ... + 713036253.

It is an arithmetic number, because the mean of its divisors is an integer number (442794067425).

Almost surely, 2^{3321312020321} is an apocalyptic number.

It is an amenable number.

3321312020321 is a deficient number, since it is larger than the sum of its proper divisors (221040519079).

3321312020321 is a wasteful number, since it uses less digits than its factorization.

3321312020321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1426068003.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 3321312020321 its reverse (1230202131233), we get a palindrome (4551514151554).

The spelling of 3321312020321 in words is "three trillion, three hundred twenty-one billion, three hundred twelve million, twenty thousand, three hundred twenty-one".