324112021 has 16 divisors (see below), whose sum is σ = 359251200. Its totient is φ = 290844928.

The previous prime is 324111973. The next prime is 324112039. The reversal of 324112021 is 120211423.

It is a cyclic number.

It is not a de Polignac number, because 324112021 - 2²⁷ = 189894293 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 324111986 and 324112004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (324112121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 139215 + ... + 141523.

It is an arithmetic number, because the mean of its divisors is an integer number (22453200).

Almost surely, 2^324112021 is an apocalyptic number.

It is an amenable number.

324112021 is a deficient number, since it is larger than the sum of its proper divisors (35139179).

324112021 is a wasteful number, since it uses less digits than its factorization.

324112021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2708.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 324112021 is about 18003.1114255286. Note that the first 3 decimals coincide. The cubic root of 324112021 is about 686.9076919879.

Adding to 324112021 its reverse (120211423), we get a palindrome (444323444).

The spelling of 324112021 in words is "three hundred twenty-four million, one hundred twelve thousand, twenty-one".