3201321020213 has 16 divisors (see below), whose sum is σ = 3481617441456. Its totient is φ = 2931639029760.

The previous prime is 3201321020207. The next prime is 3201321020237. The reversal of 3201321020213 is 3120201231023.

It can be written as a sum of positive squares in 8 ways, for example, as 93356524849 + 3107964495364 = 305543^2 + 1762942^2 .

It is a cyclic number.

It is not a de Polignac number, because 3201321020213 - 2¹⁰ = 3201321019189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3201321025213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5896856 + ... + 6416817.

It is an arithmetic number, because the mean of its divisors is an integer number (217601090091).

Almost surely, 2^{3201321020213} is an apocalyptic number.

It is an amenable number.

3201321020213 is a deficient number, since it is larger than the sum of its proper divisors (280296421243).

3201321020213 is a wasteful number, since it uses less digits than its factorization.

3201321020213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12314104.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 3201321020213 its reverse (3120201231023), we get a palindrome (6321522251236).

The spelling of 3201321020213 in words is "three trillion, two hundred one billion, three hundred twenty-one million, twenty thousand, two hundred thirteen".