504231311 has 2 divisors, whose sum is σ = 504231312. Its totient is φ = 504231310.

The previous prime is 504231293. The next prime is 504231313. The reversal of 504231311 is 113132405.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 504231311 - 2²² = 500037007 is a prime.

Together with 504231313, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (504231313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252115655 + 252115656.

It is an arithmetic number, because the mean of its divisors is an integer number (252115656).

Almost surely, 2^504231311 is an apocalyptic number.

504231311 is a deficient number, since it is larger than the sum of its proper divisors (1).

504231311 is an equidigital number, since it uses as much as digits as its factorization.

504231311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 504231311 is about 22455.0954351123. The cubic root of 504231311 is about 795.9331689512.

Adding to 504231311 its reverse (113132405), we get a palindrome (617363716).

The spelling of 504231311 in words is "five hundred four million, two hundred thirty-one thousand, three hundred eleven".