3201221231313 has 12 divisors (see below), whose sum is σ = 4965159461040. Its totient is φ = 1829269274952.

The previous prime is 3201221231311. The next prime is 3201221231339. The reversal of 3201221231313 is 3131321221023.

It is not a de Polignac number, because 3201221231313 - 2¹ = 3201221231311 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3201221231311) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10888507443 + ... + 10888507736.

It is an arithmetic number, because the mean of its divisors is an integer number (413763288420).

Almost surely, 2^{3201221231313} is an apocalyptic number.

It is an amenable number.

3201221231313 is a deficient number, since it is larger than the sum of its proper divisors (1763938229727).

3201221231313 is a wasteful number, since it uses less digits than its factorization.

3201221231313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21777015196 (or 21777015189 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 3201221231313 its reverse (3131321221023), we get a palindrome (6332542452336).

The spelling of 3201221231313 in words is "three trillion, two hundred one billion, two hundred twenty-one million, two hundred thirty-one thousand, three hundred thirteen".