30201109 has 4 divisors (see below), whose sum is σ = 30217516. Its totient is φ = 30184704.

The previous prime is 30201091. The next prime is 30201137. The reversal of 30201109 is 90110203.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 61009 + 30140100 = 247^2 + 5490^2 .

It is a cyclic number.

It is not a de Polignac number, because 30201109 - 2⁵ = 30201077 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30201092 and 30201101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30201169) 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, 5034 + ... + 9259.

It is an arithmetic number, because the mean of its divisors is an integer number (7554379).

Almost surely, 2^30201109 is an apocalyptic number.

It is an amenable number.

30201109 is a deficient number, since it is larger than the sum of its proper divisors (16407).

30201109 is a wasteful number, since it uses less digits than its factorization.

30201109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16406.

The product of its (nonzero) digits is 54, while the sum is 16.

The square root of 30201109 is about 5495.5535662934. The cubic root of 30201109 is about 311.4160297613.

The spelling of 30201109 in words is "thirty million, two hundred one thousand, one hundred nine".