30191104 has 20 divisors (see below), whose sum is σ = 60324264. Its totient is φ = 15095296.

The previous prime is 30191081. The next prime is 30191123. The reversal of 30191104 is 40119103.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28972 + ... + 29995.

Almost surely, 2^30191104 is an apocalyptic number.

It is an amenable number.

30191104 is a deficient number, since it is larger than the sum of its proper divisors (30133160).

30191104 is an frugal number, since it uses more digits than its factorization.

30191104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58985 (or 58969 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 30191104 is about 5494.6432095269. The cubic root of 30191104 is about 311.3816374095.

The spelling of 30191104 in words is "thirty million, one hundred ninety-one thousand, one hundred four".