503405160431 has 2 divisors, whose sum is σ = 503405160432. Its totient is φ = 503405160430.

The previous prime is 503405160361. The next prime is 503405160451. The reversal of 503405160431 is 134061504305.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 503405160431 - 2³⁰ = 502331418607 is a prime.

It is a super-2 number, since 2×503405160431² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (503405160451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 251702580215 + 251702580216.

It is an arithmetic number, because the mean of its divisors is an integer number (251702580216).

Almost surely, 2^503405160431 is an apocalyptic number.

503405160431 is a deficient number, since it is larger than the sum of its proper divisors (1).

503405160431 is an equidigital number, since it uses as much as digits as its factorization.

503405160431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21600, while the sum is 32.

Adding to 503405160431 its reverse (134061504305), we get a palindrome (637466664736).

The spelling of 503405160431 in words is "five hundred three billion, four hundred five million, one hundred sixty thousand, four hundred thirty-one".