305235230053 has 8 divisors (see below), whose sum is σ = 332103677528. Its totient is φ = 278850898944.

The previous prime is 305235230039. The next prime is 305235230099. The reversal of 305235230053 is 350032532503.

It can be written as a sum of positive squares in 4 ways, for example, as 61671265569 + 243563964484 = 248337^2 + 493522^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 305235230053 - 2¹³ = 305235221861 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 305235229997 and 305235230024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (305235234053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121027776 + ... + 121030297.

It is an arithmetic number, because the mean of its divisors is an integer number (41512959691).

Almost surely, 2^305235230053 is an apocalyptic number.

It is an amenable number.

305235230053 is a deficient number, since it is larger than the sum of its proper divisors (26868447475).

305235230053 is a wasteful number, since it uses less digits than its factorization.

305235230053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242058183.

The product of its (nonzero) digits is 40500, while the sum is 31.

Adding to 305235230053 its reverse (350032532503), we get a palindrome (655267762556).

The spelling of 305235230053 in words is "three hundred five billion, two hundred thirty-five million, two hundred thirty thousand, fifty-three".