3201012321 has 32 divisors (see below), whose sum is σ = 4747438080. Its totient is φ = 1905954624.

The previous prime is 3201012299. The next prime is 3201012329. The reversal of 3201012321 is 1232101023.

It is not a de Polignac number, because 3201012321 - 2¹¹ = 3201010273 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3201012321.

It is not an unprimeable number, because it can be changed into a prime (3201012329) 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 31 ways as a sum of consecutive naturals, for example, 170520 + ... + 188358.

It is an arithmetic number, because the mean of its divisors is an integer number (148357440).

Almost surely, 2^3201012321 is an apocalyptic number.

It is an amenable number.

3201012321 is a deficient number, since it is larger than the sum of its proper divisors (1546425759).

3201012321 is a wasteful number, since it uses less digits than its factorization.

3201012321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18005.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 3201012321 is about 56577.4895254288. The cubic root of 3201012321 is about 1473.7679756750.

Adding to 3201012321 its reverse (1232101023), we get a palindrome (4433113344).

The spelling of 3201012321 in words is "three billion, two hundred one million, twelve thousand, three hundred twenty-one".