305105435234 has 16 divisors (see below), whose sum is σ = 483407865600. Its totient is φ = 144198366480.

The previous prime is 305105435207. The next prime is 305105435273. The reversal of 305105435234 is 432534501503.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 305105435194 and 305105435203.

It is an unprimeable number.

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, 57218909 + ... + 57224240.

It is an arithmetic number, because the mean of its divisors is an integer number (30212991600).

Almost surely, 2^305105435234 is an apocalyptic number.

305105435234 is a deficient number, since it is larger than the sum of its proper divisors (178302430366).

305105435234 is a wasteful number, since it uses less digits than its factorization.

305105435234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114443225.

The product of its (nonzero) digits is 108000, while the sum is 35.

Adding to 305105435234 its reverse (432534501503), we get a palindrome (737639936737).

The spelling of 305105435234 in words is "three hundred five billion, one hundred five million, four hundred thirty-five thousand, two hundred thirty-four".