3201111321 has 16 divisors (see below), whose sum is σ = 4416787200. Its totient is φ = 2059803648.

The previous prime is 3201111301. The next prime is 3201111323. The reversal of 3201111321 is 1231111023.

It is a happy number.

It is not a de Polignac number, because 3201111321 - 2⁵ = 3201111289 is a prime.

It is a super-2 number, since 2×3201111321² = 20494227378868730082, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3201111321.

It is not an unprimeable number, because it can be changed into a prime (3201111323) 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, 481200 + ... + 487806.

It is an arithmetic number, because the mean of its divisors is an integer number (276049200).

Almost surely, 2^3201111321 is an apocalyptic number.

It is an amenable number.

3201111321 is a deficient number, since it is larger than the sum of its proper divisors (1215675879).

3201111321 is a wasteful number, since it uses less digits than its factorization.

3201111321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12208.

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 3201111321 is about 56578.3644249284. The cubic root of 3201111321 is about 1473.7831689442.

Adding to 3201111321 its reverse (1231111023), we get a palindrome (4432222344).

The spelling of 3201111321 in words is "three billion, two hundred one million, one hundred eleven thousand, three hundred twenty-one".