30191734808 has 16 divisors (see below), whose sum is σ = 56615949000. Its totient is φ = 15094148416.

The previous prime is 30191734801. The next prime is 30191734847. The reversal of 30191734808 is 80843719103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30191734801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 138638 + ... + 282141.

Almost surely, 2^30191734808 is an apocalyptic number.

It is an amenable number.

30191734808 is a deficient number, since it is larger than the sum of its proper divisors (26424214192).

30191734808 is a wasteful number, since it uses less digits than its factorization.

30191734808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429754 (or 429750 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 44.

The spelling of 30191734808 in words is "thirty billion, one hundred ninety-one million, seven hundred thirty-four thousand, eight hundred eight".