30115030242 has 32 divisors (see below), whose sum is σ = 65961221184. Its totient is φ = 9090252800.

The previous prime is 30115030241. The next prime is 30115030247. The reversal of 30115030242 is 24203051103.

It is not an unprimeable number, because it can be changed into a prime (30115030241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 870759 + ... + 904682.

It is an arithmetic number, because the mean of its divisors is an integer number (2061288162).

Almost surely, 2^30115030242 is an apocalyptic number.

30115030242 is an abundant number, since it is smaller than the sum of its proper divisors (35846190942).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30115030242 is a wasteful number, since it uses less digits than its factorization.

30115030242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1775714.

The product of its (nonzero) digits is 720, while the sum is 21.

Adding to 30115030242 its reverse (24203051103), we get a palindrome (54318081345).

The spelling of 30115030242 in words is "thirty billion, one hundred fifteen million, thirty thousand, two hundred forty-two".