30803905518 has 8 divisors (see below), whose sum is σ = 61607811048. Its totient is φ = 10267968504.

The previous prime is 30803905511. The next prime is 30803905541. The reversal of 30803905518 is 81550930803.

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

30803905518 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 30803905518.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30803905511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2566992121 + ... + 2566992132.

It is an arithmetic number, because the mean of its divisors is an integer number (7700976381).

Almost surely, 2^30803905518 is an apocalyptic number.

30803905518 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

30803905518 is a wasteful number, since it uses less digits than its factorization.

30803905518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5133984258.

The product of its (nonzero) digits is 129600, while the sum is 42.

The spelling of 30803905518 in words is "thirty billion, eight hundred three million, nine hundred five thousand, five hundred eighteen".