30880330 has 64 divisors (see below), whose sum is σ = 64501920. Its totient is φ = 10543104.

The previous prime is 30880319. The next prime is 30880337. The reversal of 30880330 is 3308803.

It can be written as a sum of positive squares in 16 ways, for example, as 81 + 30880249 = 9^2 + 5557^2 .

It is a junction number, because it is equal to n+sod(n) for n = 30880295 and 30880304.

It is not an unprimeable number, because it can be changed into a prime (30880337) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 196612 + ... + 196768.

Almost surely, 2^30880330 is an apocalyptic number.

30880330 is an abundant number, since it is smaller than the sum of its proper divisors (33621590).

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

30880330 is a wasteful number, since it uses less digits than its factorization.

30880330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 30880330 is about 5557.0072881003. The cubic root of 30880330 is about 313.7333192192.

The spelling of 30880330 in words is "thirty million, eight hundred eighty thousand, three hundred thirty".