30530330 has 16 divisors (see below), whose sum is σ = 56850120. Its totient is φ = 11790912.

The previous prime is 30530327. The next prime is 30530341. The reversal of 30530330 is 3303503.

It can be written as a sum of positive squares in 4 ways, for example, as 24571849 + 5958481 = 4957^2 + 2441^2 .

It is a junction number, because it is equal to n+sod(n) for n = 30530299 and 30530308.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52349 + ... + 52928.

Almost surely, 2^30530330 is an apocalyptic number.

30530330 is a deficient number, since it is larger than the sum of its proper divisors (26319790).

30530330 is a wasteful number, since it uses less digits than its factorization.

30530330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105313.

The product of its (nonzero) digits is 405, while the sum is 17.

The square root of 30530330 is about 5525.4257754493. The cubic root of 30530330 is about 312.5435203389.

Adding to 30530330 its reverse (3303503), we get a palindrome (33833833).

The spelling of 30530330 in words is "thirty million, five hundred thirty thousand, three hundred thirty".