30320930 has 8 divisors (see below), whose sum is σ = 54577692. Its totient is φ = 12128368.

The previous prime is 30320897. The next prime is 30320947. The reversal of 30320930 is 3902303.

It can be written as a sum of positive squares in 2 ways, for example, as 28313041 + 2007889 = 5321^2 + 1417^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1516037 + ... + 1516056.

Almost surely, 2^30320930 is an apocalyptic number.

30320930 is a deficient number, since it is larger than the sum of its proper divisors (24256762).

30320930 is a wasteful number, since it uses less digits than its factorization.

30320930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3032100.

The product of its (nonzero) digits is 486, while the sum is 20.

The square root of 30320930 is about 5506.4444063297. Note that the first 4 decimals coincide. The cubic root of 30320930 is about 311.8273274763.

The spelling of 30320930 in words is "thirty million, three hundred twenty thousand, nine hundred thirty".