That may be possible and can be used for contact less and digital payment. However, it may carry some significant risks where the bitcoin is still not legal. If a country legalize bitcoin, then it won't be a problem. But if bitcoin is not legal in a particular country and a person whats to use bitcoin with his/her mobile number, he/she may face a regulatory trial.

Otherwise, it is a good idea to make and receive payment. It will be easier and also less time consuming. It will increase the convenience of using bitcoin to a higher standard.