305049202103 has 4 divisors (see below), whose sum is σ = 305051365080. Its totient is φ = 305047039128.

The previous prime is 305049202091. The next prime is 305049202109. The reversal of 305049202103 is 301202940503.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-305049202103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (305049202109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 853988 + ... + 1157321.

It is an arithmetic number, because the mean of its divisors is an integer number (76262841270).

Almost surely, 2^305049202103 is an apocalyptic number.

305049202103 is a deficient number, since it is larger than the sum of its proper divisors (2162977).

305049202103 is a wasteful number, since it uses less digits than its factorization.

305049202103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2162976.

The product of its (nonzero) digits is 6480, while the sum is 29.

The spelling of 305049202103 in words is "three hundred five billion, forty-nine million, two hundred two thousand, one hundred three".