503531324462113 has 2 divisors, whose sum is σ = 503531324462114. Its totient is φ = 503531324462112.

The previous prime is 503531324462099. The next prime is 503531324462161. The reversal of 503531324462113 is 311264423135305.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 376191316505104 + 127340007957009 = 19395652^2 + 11284503^2 .

It is a cyclic number.

It is not a de Polignac number, because 503531324462113 - 2¹⁷ = 503531324331041 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 503531324462113.

It is not a weakly prime, because it can be changed into another prime (503531324462213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 251765662231056 + 251765662231057.

It is an arithmetic number, because the mean of its divisors is an integer number (251765662231057).

Almost surely, 2^{503531324462113} is an apocalyptic number.

It is an amenable number.

503531324462113 is a deficient number, since it is larger than the sum of its proper divisors (1).

503531324462113 is an equidigital number, since it uses as much as digits as its factorization.

503531324462113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 777600, while the sum is 43.

Adding to 503531324462113 its reverse (311264423135305), we get a palindrome (814795747597418).

The spelling of 503531324462113 in words is "five hundred three trillion, five hundred thirty-one billion, three hundred twenty-four million, four hundred sixty-two thousand, one hundred thirteen".