The multillion is equal to \(10^{3\cdot 10^{3\cdot 10^{3\cdot ext{tredecillion}}} + 3}\) , or \(10^{3 \cdot 10^{3 \cdot 10^{3 \cdot 10^{42}}} + 3}\). The term was coined by Jonathan Bowers. Currently, it is the largest named -illion number that he has coined.