Kepler-731 is a star with 1.03 times the mass of the Sun, and 1.06 times its radius. It is located 4100.30 light years away from the solar system and is estimated to be 3.8 billion years old, as compared to the Sun which is roughly 4.6 billion years old.
Kepler-731 is known to have 1 exoplanets in orbit around it.
Kepler-731 b was discovered by the Kepler observatory, in 2016-05, using the transit method. Its semi-major axis is 0.05 astronomical units, as compared to Earth's which is 1 astronomical unit. The radius of Kepler-731 b is 13.880 that of Earth.