30803080 has 128 divisors (see below), whose sum is σ = 88231680. Its totient is φ = 9400320.

The previous prime is 30803063. The next prime is 30803107. The reversal of 30803080 is 8030803.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 224772 + ... + 224908.

It is an arithmetic number, because the mean of its divisors is an integer number (689310).

Almost surely, 2^30803080 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 30803080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44115840).

30803080 is an abundant number, since it is smaller than the sum of its proper divisors (57428600).

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

30803080 is a wasteful number, since it uses less digits than its factorization.

30803080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239 (or 235 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 30803080 is about 5550.0522520063. The cubic root of 30803080 is about 313.4714898012.

Adding to 30803080 its reverse (8030803), we get a palindrome (38833883).

The spelling of 30803080 in words is "thirty million, eight hundred three thousand, eighty".