30111808 has 28 divisors (see below), whose sum is σ = 62900560. Its totient is φ = 14262912.

The previous prime is 30111799. The next prime is 30111841. The reversal of 30111808 is 80811103.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11166 + ... + 13597.

Almost surely, 2^30111808 is an apocalyptic number.

30111808 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

30111808 is an abundant number, since it is smaller than the sum of its proper divisors (32788752).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30111808 is a wasteful number, since it uses less digits than its factorization.

30111808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24794 (or 24784 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 22.

The square root of 30111808 is about 5487.4227101618. The cubic root of 30111808 is about 311.1087869819.

The spelling of 30111808 in words is "thirty million, one hundred eleven thousand, eight hundred eight".