305113031103 has 32 divisors (see below), whose sum is σ = 449717184000. Its totient is φ = 183021572096.

The previous prime is 305113031101. The next prime is 305113031107. The reversal of 305113031103 is 301130311503.

305113031103 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 305113031103 - 2¹ = 305113031101 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 305113031103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (305113031101) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2146948 + ... + 2284646.

It is an arithmetic number, because the mean of its divisors is an integer number (14053662000).

Almost surely, 2^305113031103 is an apocalyptic number.

305113031103 is a deficient number, since it is larger than the sum of its proper divisors (144604152897).

305113031103 is a wasteful number, since it uses less digits than its factorization.

305113031103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139631.

The product of its (nonzero) digits is 405, while the sum is 21.

Adding to 305113031103 its reverse (301130311503), we get a palindrome (606243342606).

The spelling of 305113031103 in words is "three hundred five billion, one hundred thirteen million, thirty-one thousand, one hundred three".