30115105 has 16 divisors (see below), whose sum is σ = 37707264. Its totient is φ = 23063040.

The previous prime is 30115081. The next prime is 30115117. The reversal of 30115105 is 50151103.

It is not a de Polignac number, because 30115105 - 2⁹ = 30114593 is a prime.

It is a super-2 number, since 2×30115105² = 1813839098322050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14034 + ... + 16036.

It is an arithmetic number, because the mean of its divisors is an integer number (2356704).

Almost surely, 2^30115105 is an apocalyptic number.

It is an amenable number.

30115105 is a deficient number, since it is larger than the sum of its proper divisors (7592159).

30115105 is a wasteful number, since it uses less digits than its factorization.

30115105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2136.

The product of its (nonzero) digits is 75, while the sum is 16.

The square root of 30115105 is about 5487.7231161931. The cubic root of 30115105 is about 311.1201412014.

Adding to 30115105 its reverse (50151103), we get a palindrome (80266208).

The spelling of 30115105 in words is "thirty million, one hundred fifteen thousand, one hundred five".