205303031234 has 16 divisors (see below), whose sum is σ = 352825739136. Its totient is φ = 87767592000.

The previous prime is 205303031233. The next prime is 205303031279. The reversal of 205303031234 is 432130303502.

It is a happy number.

205303031234 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (205303031233) 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 7 ways as a sum of consecutive naturals, for example, 18279302 + ... + 18290529.

It is an arithmetic number, because the mean of its divisors is an integer number (22051608696).

Almost surely, 2^205303031234 is an apocalyptic number.

205303031234 is a deficient number, since it is larger than the sum of its proper divisors (147522707902).

205303031234 is a wasteful number, since it uses less digits than its factorization.

205303031234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36570241.

The product of its (nonzero) digits is 6480, while the sum is 26.

Adding to 205303031234 its reverse (432130303502), we get a palindrome (637433334736).

The spelling of 205303031234 in words is "two hundred five billion, three hundred three million, thirty-one thousand, two hundred thirty-four".