503228731043 has 4 divisors (see below), whose sum is σ = 503390596080. Its totient is φ = 503066866008.

The previous prime is 503228731009. The next prime is 503228731051. The reversal of 503228731043 is 340137822305.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 503228731043 - 2²⁰ = 503227682467 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 503228730988 and 503228731006.

It is not an unprimeable number, because it can be changed into a prime (503224731043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80927855 + ... + 80934072.

It is an arithmetic number, because the mean of its divisors is an integer number (125847649020).

Almost surely, 2^503228731043 is an apocalyptic number.

503228731043 is a deficient number, since it is larger than the sum of its proper divisors (161865037).

503228731043 is a wasteful number, since it uses less digits than its factorization.

503228731043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161865036.

The product of its (nonzero) digits is 120960, while the sum is 38.

The spelling of 503228731043 in words is "five hundred three billion, two hundred twenty-eight million, seven hundred thirty-one thousand, forty-three".