305133534242 has 12 divisors (see below), whose sum is σ = 486207587490. Its totient is φ = 143592251136.

The previous prime is 305133534241. The next prime is 305133534247. The reversal of 305133534242 is 242435331503.

It can be written as a sum of positive squares in 3 ways, for example, as 301303285921 + 3830248321 = 548911^2 + 61889^2 .

It is not an unprimeable number, because it can be changed into a prime (305133534241) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 263955767 + ... + 263956922.

Almost surely, 2^305133534242 is an apocalyptic number.

305133534242 is a deficient number, since it is larger than the sum of its proper divisors (181074053248).

305133534242 is a wasteful number, since it uses less digits than its factorization.

305133534242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 527912725 (or 527912708 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 35.

Adding to 305133534242 its reverse (242435331503), we get a palindrome (547568865745).

The spelling of 305133534242 in words is "three hundred five billion, one hundred thirty-three million, five hundred thirty-four thousand, two hundred forty-two".