30800530 has 16 divisors (see below), whose sum is σ = 55753920. Its totient is φ = 12250672.

The previous prime is 30800491. The next prime is 30800531. The reversal of 30800530 is 3500803.

It is a junction number, because it is equal to n+sod(n) for n = 30800498 and 30800507.

It is not an unprimeable number, because it can be changed into a prime (30800531) 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, 6814 + ... + 10393.

It is an arithmetic number, because the mean of its divisors is an integer number (3484620).

Almost surely, 2^30800530 is an apocalyptic number.

30800530 is a deficient number, since it is larger than the sum of its proper divisors (24953390).

30800530 is a wasteful number, since it uses less digits than its factorization.

30800530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17393.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 30800530 is about 5549.8225196848. The cubic root of 30800530 is about 313.4628394286.

The spelling of 30800530 in words is "thirty million, eight hundred thousand, five hundred thirty".