30243105 has 32 divisors (see below), whose sum is σ = 54691200. Its totient is φ = 15852096.

The previous prime is 30243049. The next prime is 30243107. The reversal of 30243105 is 50134203.

It is not a de Polignac number, because 30243105 - 2¹³ = 30234913 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (30243107) 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 31 ways as a sum of consecutive naturals, for example, 6067 + ... + 9863.

It is an arithmetic number, because the mean of its divisors is an integer number (1709100).

Almost surely, 2^30243105 is an apocalyptic number.

It is an amenable number.

30243105 is a deficient number, since it is larger than the sum of its proper divisors (24448095).

30243105 is a wasteful number, since it uses less digits than its factorization.

30243105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3870 (or 3864 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 30243105 is about 5499.3731460958. The cubic root of 30243105 is about 311.5603089037.

Adding to 30243105 its reverse (50134203), we get a palindrome (80377308).

The spelling of 30243105 in words is "thirty million, two hundred forty-three thousand, one hundred five".