30234321 has 12 divisors (see below), whose sum is σ = 47031348. Its totient is φ = 18605664.

The previous prime is 30234319. The next prime is 30234341. The reversal of 30234321 is 12343203.

30234321 is a `hidden beast` number, since 302 + 343 + 21 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 10653696 + 19580625 = 3264^2 + 4425^2 .

It is not a de Polignac number, because 30234321 - 2¹ = 30234319 is a prime.

It is a super-2 number, since 2×30234321² = 1828228332662082, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30234294 and 30234303.

It is not an unprimeable number, because it can be changed into a prime (30234341) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 129090 + ... + 129323.

It is an arithmetic number, because the mean of its divisors is an integer number (3919279).

Almost surely, 2^30234321 is an apocalyptic number.

It is an amenable number.

30234321 is a deficient number, since it is larger than the sum of its proper divisors (16797027).

30234321 is a wasteful number, since it uses less digits than its factorization.

30234321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258432 (or 258429 counting only the distinct ones).

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

The square root of 30234321 is about 5498.5744516193. The cubic root of 30234321 is about 311.5301421295.

Adding to 30234321 its reverse (12343203), we get a palindrome (42577524).

The spelling of 30234321 in words is "thirty million, two hundred thirty-four thousand, three hundred twenty-one".