30321304 has 48 divisors (see below), whose sum is σ = 63178920. Its totient is φ = 13628160.

The previous prime is 30321299. The next prime is 30321323. The reversal of 30321304 is 40312303.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55159 + ... + 55705.

Almost surely, 2^30321304 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30321304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31589460).

30321304 is an abundant number, since it is smaller than the sum of its proper divisors (32857616).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30321304 is a wasteful number, since it uses less digits than its factorization.

30321304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 620 (or 603 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 30321304 is about 5506.4783664335. The cubic root of 30321304 is about 311.8286095713.

Adding to 30321304 its reverse (40312303), we get a palindrome (70633607).

Subtracting 30321304 from its reverse (40312303), we obtain a palindrome (9990999).

It can be divided in two parts, 30321 and 304, that added together give a square (30625 = 175²).

The spelling of 30321304 in words is "thirty million, three hundred twenty-one thousand, three hundred four".