305342242103203 has 4 divisors (see below), whose sum is σ = 318617991759888. Its totient is φ = 292066492446520.

The previous prime is 305342242103191. The next prime is 305342242103273. The reversal of 305342242103203 is 302301242243503.

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

It is a cyclic number.

It is not a de Polignac number, because 305342242103203 - 2²¹ = 305342240006051 is a prime.

It is a super-2 number, since 2×305342242103203² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (305342242103273) 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, 6637874828308 + ... + 6637874828353.

It is an arithmetic number, because the mean of its divisors is an integer number (79654497939972).

Almost surely, 2^{305342242103203} is an apocalyptic number.

305342242103203 is a deficient number, since it is larger than the sum of its proper divisors (13275749656685).

305342242103203 is a wasteful number, since it uses less digits than its factorization.

305342242103203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13275749656684.

The product of its (nonzero) digits is 103680, while the sum is 34.

Adding to 305342242103203 its reverse (302301242243503), we get a palindrome (607643484346706).

The spelling of 305342242103203 in words is "three hundred five trillion, three hundred forty-two billion, two hundred forty-two million, one hundred three thousand, two hundred three".