30091101 has 16 divisors (see below), whose sum is σ = 41470464. Its totient is φ = 19393344.

The previous prime is 30091081. The next prime is 30091123. The reversal of 30091101 is 10119003.

It is not a de Polignac number, because 30091101 - 2⁹ = 30090589 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30091001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18420 + ... + 19986.

It is an arithmetic number, because the mean of its divisors is an integer number (2591904).

Almost surely, 2^30091101 is an apocalyptic number.

It is an amenable number.

30091101 is a deficient number, since it is larger than the sum of its proper divisors (11379363).

30091101 is a wasteful number, since it uses less digits than its factorization.

30091101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1780.

The product of its (nonzero) digits is 27, while the sum is 15.

The square root of 30091101 is about 5485.5356165100. The cubic root of 30091101 is about 311.0374571910.

The spelling of 30091101 in words is "thirty million, ninety-one thousand, one hundred one".