30324321 has 16 divisors (see below), whose sum is σ = 45774720. Its totient is φ = 19833840.

The previous prime is 30324319. The next prime is 30324337. The reversal of 30324321 is 12342303.

It is not a de Polignac number, because 30324321 - 2¹ = 30324319 is a prime.

It is a super-2 number, since 2×30324321² = 1839128888222082, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30324294 and 30324303.

It is not an unprimeable number, because it can be changed into a prime (30324221) 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, 9165 + ... + 12026.

It is an arithmetic number, because the mean of its divisors is an integer number (2860920).

Almost surely, 2^30324321 is an apocalyptic number.

It is an amenable number.

30324321 is a deficient number, since it is larger than the sum of its proper divisors (15450399).

30324321 is a wasteful number, since it uses less digits than its factorization.

30324321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21253 (or 21247 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 30324321 is about 5506.7523096649. The cubic root of 30324321 is about 311.8389516476.

Adding to 30324321 its reverse (12342303), we get a palindrome (42666624).

The spelling of 30324321 in words is "thirty million, three hundred twenty-four thousand, three hundred twenty-one".