503313143412 has 48 divisors (see below), whose sum is σ = 1235154396672. Its totient is φ = 159295693440.

The previous prime is 503313143393. The next prime is 503313143413. The reversal of 503313143412 is 214341313305.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 503313143412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (503313143413) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12744363 + ... + 12783794.

It is an arithmetic number, because the mean of its divisors is an integer number (25732383264).

Almost surely, 2^503313143412 is an apocalyptic number.

It is an amenable number.

503313143412 is an abundant number, since it is smaller than the sum of its proper divisors (731841253260).

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

503313143412 is a wasteful number, since it uses less digits than its factorization.

503313143412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25528248 (or 25528246 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 30.

Adding to 503313143412 its reverse (214341313305), we get a palindrome (717654456717).

The spelling of 503313143412 in words is "five hundred three billion, three hundred thirteen million, one hundred forty-three thousand, four hundred twelve".