503031012 has 24 divisors (see below), whose sum is σ = 1280442912. Its totient is φ = 152433600.

The previous prime is 503030977. The next prime is 503031019. The reversal of 503031012 is 210130305.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 503030982 and 503031000.

It is not an unprimeable number, because it can be changed into a prime (503031019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1905289 + ... + 1905552.

It is an arithmetic number, because the mean of its divisors is an integer number (53351788).

Almost surely, 2^503031012 is an apocalyptic number.

It is an amenable number.

503031012 is an abundant number, since it is smaller than the sum of its proper divisors (777411900).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

503031012 is a wasteful number, since it uses less digits than its factorization.

503031012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3810859 (or 3810857 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 15.

The square root of 503031012 is about 22428.3528597175. The cubic root of 503031012 is about 795.3011066209.

Adding to 503031012 its reverse (210130305), we get a palindrome (713161317).

It can be divided in two parts, 50303 and 1012, that added together give a palindrome (51315).

The spelling of 503031012 in words is "five hundred three million, thirty-one thousand, twelve".