30103188 has 12 divisors (see below), whose sum is σ = 70240800. Its totient is φ = 10034392.

The previous prime is 30103169. The next prime is 30103193. The reversal of 30103188 is 88130103.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

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, 1254288 + ... + 1254311.

It is an arithmetic number, because the mean of its divisors is an integer number (5853400).

Almost surely, 2^30103188 is an apocalyptic number.

It is an amenable number.

30103188 is an abundant number, since it is smaller than the sum of its proper divisors (40137612).

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

30103188 is a wasteful number, since it uses less digits than its factorization.

30103188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2508606 (or 2508604 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 30103188 is about 5486.6372214682. The cubic root of 30103188 is about 311.0790974806.

The spelling of 30103188 in words is "thirty million, one hundred three thousand, one hundred eighty-eight".