30318080 has 80 divisors (see below), whose sum is σ = 78369984. Its totient is φ = 11182080.

The previous prime is 30318049. The next prime is 30318083. The reversal of 30318080 is 8081303.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30318083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32825 + ... + 33735.

Almost surely, 2^30318080 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 30318080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39184992).

30318080 is an abundant number, since it is smaller than the sum of its proper divisors (48051904).

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

30318080 is an equidigital number, since it uses as much as digits as its factorization.

30318080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 947 (or 931 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 30318080 is about 5506.1856125634. The cubic root of 30318080 is about 311.8175571545.

Adding to 30318080 its reverse (8081303), we get a palindrome (38399383).

It can be divided in two parts, 3031 and 8080, that added together give a palindrome (11111).

The spelling of 30318080 in words is "thirty million, three hundred eighteen thousand, eighty".