30800385905 has 8 divisors (see below), whose sum is σ = 37166947200. Its totient is φ = 24502652656.

The previous prime is 30800385881. The next prime is 30800385907. The reversal of 30800385905 is 50958300803.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30800385905 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30800385907) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17206025 + ... + 17207814.

It is an arithmetic number, because the mean of its divisors is an integer number (4645868400).

Almost surely, 2^30800385905 is an apocalyptic number.

It is an amenable number.

30800385905 is a deficient number, since it is larger than the sum of its proper divisors (6366561295).

30800385905 is a wasteful number, since it uses less digits than its factorization.

30800385905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34414023.

The product of its (nonzero) digits is 129600, while the sum is 41.

The spelling of 30800385905 in words is "thirty billion, eight hundred million, three hundred eighty-five thousand, nine hundred five".