The Number 431: Properties and Meanings431 is a Prime Number.
431 is a Centered 43-gonal Number.
The Year 431 ADIn the year 431 AD Saint Paulinus of Nola, early Christian bishop, poet died.
In the year 431 AD Proclus begins studying at the in Athens.
In the year 431 AD Maximianus is enthroned as Patriarch of Constantinople.
In the year 431 AD Palladius was sent as first Bishop to Irish Christians by Pope Celestine.