30308136905 has 8 divisors (see below), whose sum is σ = 36370819584. Its totient is φ = 24245806000.

The previous prime is 30308136853. The next prime is 30308136931. The reversal of 30308136905 is 50963180303.

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

It is not a de Polignac number, because 30308136905 - 2⁶ = 30308136841 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 170840 + ... + 299670.

It is an arithmetic number, because the mean of its divisors is an integer number (4546352448).

Almost surely, 2^30308136905 is an apocalyptic number.

It is an amenable number.

30308136905 is a deficient number, since it is larger than the sum of its proper divisors (6062682679).

30308136905 is a wasteful number, since it uses less digits than its factorization.

30308136905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175887.

The product of its (nonzero) digits is 58320, while the sum is 38.

The spelling of 30308136905 in words is "thirty billion, three hundred eight million, one hundred thirty-six thousand, nine hundred five".