30830280818 has 8 divisors (see below), whose sum is σ = 46376429148. Its totient is φ = 15371471104.

The previous prime is 30830280781. The next prime is 30830280841. The reversal of 30830280818 is 81808203803.

It can be written as a sum of positive squares in 2 ways, for example, as 29248866529 + 1581414289 = 171023^2 + 39767^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21833771 + ... + 21835182.

Almost surely, 2^30830280818 is an apocalyptic number.

30830280818 is a deficient number, since it is larger than the sum of its proper divisors (15546148330).

30830280818 is a wasteful number, since it uses less digits than its factorization.

30830280818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43669308.

The product of its (nonzero) digits is 73728, while the sum is 41.

The spelling of 30830280818 in words is "thirty billion, eight hundred thirty million, two hundred eighty thousand, eight hundred eighteen".