503543144230213 has 8 divisors (see below), whose sum is σ = 504443270057976. Its totient is φ = 502643793374400.

The previous prime is 503543144230193. The next prime is 503543144230363. The reversal of 503543144230213 is 312032441345305.

It can be written as a sum of positive squares in 4 ways, for example, as 247235307743524 + 256307836486689 = 15723718^2 + 16009617^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 503543144230213 - 2¹³ = 503543144222021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (503543144236213) 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, 192442306 + ... + 195041347.

It is an arithmetic number, because the mean of its divisors is an integer number (63055408757247).

Almost surely, 2^{503543144230213} is an apocalyptic number.

It is an amenable number.

503543144230213 is a deficient number, since it is larger than the sum of its proper divisors (900125827763).

503543144230213 is a wasteful number, since it uses less digits than its factorization.

503543144230213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387485975.

The product of its (nonzero) digits is 518400, while the sum is 40.

Adding to 503543144230213 its reverse (312032441345305), we get a palindrome (815575585575518).

The spelling of 503543144230213 in words is "five hundred three trillion, five hundred forty-three billion, one hundred forty-four million, two hundred thirty thousand, two hundred thirteen".