3201321232013 has 2 divisors, whose sum is σ = 3201321232014. Its totient is φ = 3201321232012.

The previous prime is 3201321232003. The next prime is 3201321232069. The reversal of 3201321232013 is 3102321231023.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2298492502084 + 902828729929 = 1516078^2 + 950173^2 .

It is a cyclic number.

It is not a de Polignac number, because 3201321232013 - 2³⁶ = 3132601755277 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3201321232013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3201321232003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1600660616006 + 1600660616007.

It is an arithmetic number, because the mean of its divisors is an integer number (1600660616007).

Almost surely, 2^{3201321232013} is an apocalyptic number.

It is an amenable number.

3201321232013 is a deficient number, since it is larger than the sum of its proper divisors (1).

3201321232013 is an equidigital number, since it uses as much as digits as its factorization.

3201321232013 is an evil number, because the sum of its binary digits is even.

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

Adding to 3201321232013 its reverse (3102321231023), we get a palindrome (6303642463036).

The spelling of 3201321232013 in words is "three trillion, two hundred one billion, three hundred twenty-one million, two hundred thirty-two thousand, thirteen".