30108105 has 40 divisors (see below), whose sum is σ = 57159432. Its totient is φ = 15109632.

The previous prime is 30108097. The next prime is 30108107. The reversal of 30108105 is 50180103.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 7096896 + 23011209 = 2664^2 + 4797^2 .

It is not a de Polignac number, because 30108105 - 2³ = 30108097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30108107) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 4699 + ... + 9071.

Almost surely, 2^30108105 is an apocalyptic number.

It is an amenable number.

30108105 is a deficient number, since it is larger than the sum of its proper divisors (27051327).

30108105 is a wasteful number, since it uses less digits than its factorization.

30108105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4407 (or 4398 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 30108105 is about 5487.0852918467. The cubic root of 30108105 is about 311.0960335900.

Adding to 30108105 its reverse (50180103), we get a palindrome (80288208).

The spelling of 30108105 in words is "thirty million, one hundred eight thousand, one hundred five".