red pimples/bump not itching kind a papule on gland penis , what is this ?

hello , ive been noticed some red bump on my penis . 

its been 4 days now . its not itching and painless , 

i dont think is balantitis . but i notice some white line (?) idk what is this.

can some one tell me . Thank you 

A wart maybe?

oh , so what can i do about it ? . 

It may eventually go away on its own but if it bothers you, see a doctor.

They don't go away on its own, you must do treatments to let them scab off. I froze mines but it leaves some scars.

Hope this helped