30305312806 has 8 divisors (see below), whose sum is σ = 45461534760. Its totient is φ = 15151467888.

The previous prime is 30305312777. The next prime is 30305312809. The reversal of 30305312806 is 60821350303.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30305312809) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 562036 + ... + 613591.

It is an arithmetic number, because the mean of its divisors is an integer number (5682691845).

Almost surely, 2^30305312806 is an apocalyptic number.

30305312806 is a deficient number, since it is larger than the sum of its proper divisors (15156221954).

30305312806 is a wasteful number, since it uses less digits than its factorization.

30305312806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1188518.

The product of its (nonzero) digits is 12960, while the sum is 31.

The spelling of 30305312806 in words is "thirty billion, three hundred five million, three hundred twelve thousand, eight hundred six".