504530031 has 4 divisors (see below), whose sum is σ = 672706712. Its totient is φ = 336353352.

The previous prime is 504530027. The next prime is 504530041. The reversal of 504530031 is 130035405.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 504530031 - 2² = 504530027 is a prime.

It is a super-2 number, since 2×504530031² = 509101104361721922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (504530011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84088336 + ... + 84088341.

It is an arithmetic number, because the mean of its divisors is an integer number (168176678).

Almost surely, 2^504530031 is an apocalyptic number.

504530031 is a deficient number, since it is larger than the sum of its proper divisors (168176681).

504530031 is a wasteful number, since it uses less digits than its factorization.

504530031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168176680.

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 504530031 is about 22461.7459472767. The cubic root of 504530031 is about 796.0903152281.

Adding to 504530031 its reverse (130035405), we get a palindrome (634565436).

The spelling of 504530031 in words is "five hundred four million, five hundred thirty thousand, thirty-one".