502231231 has 2 divisors, whose sum is σ = 502231232. Its totient is φ = 502231230.

The previous prime is 502231211. The next prime is 502231259. The reversal of 502231231 is 132132205.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 502231231 - 2⁹ = 502230719 is a prime.

It is a super-2 number, since 2×502231231² = 504472418783550722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 502231199 and 502231208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (502231201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 251115615 + 251115616.

It is an arithmetic number, because the mean of its divisors is an integer number (251115616).

Almost surely, 2^502231231 is an apocalyptic number.

502231231 is a deficient number, since it is larger than the sum of its proper divisors (1).

502231231 is an equidigital number, since it uses as much as digits as its factorization.

502231231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 502231231 is about 22410.5160806261. The cubic root of 502231231 is about 794.8793936473.

Adding to 502231231 its reverse (132132205), we get a palindrome (634363436).

The spelling of 502231231 in words is "five hundred two million, two hundred thirty-one thousand, two hundred thirty-one".