30000030321 has 8 divisors (see below), whose sum is σ = 40003998624. Its totient is φ = 19998041120.

The previous prime is 30000030257. The next prime is 30000030329. The reversal of 30000030321 is 12303000003.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30000030321 - 2⁶ = 30000030257 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 30000030297 and 30000030306.

It is not an unprimeable number, because it can be changed into a prime (30000030329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 459036 + ... + 520301.

It is an arithmetic number, because the mean of its divisors is an integer number (5000499828).

Almost surely, 2^30000030321 is an apocalyptic number.

It is an amenable number.

30000030321 is a deficient number, since it is larger than the sum of its proper divisors (10003968303).

30000030321 is a wasteful number, since it uses less digits than its factorization.

30000030321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 989551.

The product of its (nonzero) digits is 54, while the sum is 12.

Adding to 30000030321 its reverse (12303000003), we get a palindrome (42303030324).

The spelling of 30000030321 in words is "thirty billion, thirty thousand, three hundred twenty-one".