30105011 has 4 divisors (see below), whose sum is σ = 31875912. Its totient is φ = 28334112.

The previous prime is 30104989. The next prime is 30105059. The reversal of 30105011 is 11050103.

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

It is a cyclic number.

It is not a de Polignac number, because 30105011 - 2¹⁸ = 29842867 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30104983 and 30105001.

It is not an unprimeable number, because it can be changed into a prime (30105071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 885425 + ... + 885458.

It is an arithmetic number, because the mean of its divisors is an integer number (7968978).

Almost surely, 2^30105011 is an apocalyptic number.

30105011 is a deficient number, since it is larger than the sum of its proper divisors (1770901).

30105011 is a wasteful number, since it uses less digits than its factorization.

30105011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1770900.

The product of its (nonzero) digits is 15, while the sum is 11.

The square root of 30105011 is about 5486.8033498568. The cubic root of 30105011 is about 311.0853768349.

Adding to 30105011 its reverse (11050103), we get a palindrome (41155114).

The spelling of 30105011 in words is "thirty million, one hundred five thousand, eleven".