The figure represented an increase of 0.15 percent compared with the N430.25 it exchanged for the dollar on Thursday.
The open indicative rate closed at N429.67 to the dollar on Friday.
An exchange rate of N431.94 to the dollar was the highest rate recorded within the day’s trading before it settled at N429. 62.
The Naira sold for as low as N410 to the dollar within the day’s trading.
A total of 46.31 million was traded in foreign exchange at the official investors and exporters window on Friday.