503260331113 has 4 divisors (see below), whose sum is σ = 532863880020. Its totient is φ = 473656782208.

The previous prime is 503260331111. The next prime is 503260331117. The reversal of 503260331113 is 311133062305.

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

It can be written as a sum of positive squares in 2 ways, for example, as 221137884009 + 282122447104 = 470253^2 + 531152^2 .

It is a cyclic number.

It is not a de Polignac number, because 503260331113 - 2¹ = 503260331111 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (503260331111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14801774428 + ... + 14801774461.

It is an arithmetic number, because the mean of its divisors is an integer number (133215970005).

Almost surely, 2^503260331113 is an apocalyptic number.

It is an amenable number.

503260331113 is a deficient number, since it is larger than the sum of its proper divisors (29603548907).

503260331113 is a wasteful number, since it uses less digits than its factorization.

503260331113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29603548906.

The product of its (nonzero) digits is 4860, while the sum is 28.

Adding to 503260331113 its reverse (311133062305), we get a palindrome (814393393418).

The spelling of 503260331113 in words is "five hundred three billion, two hundred sixty million, three hundred thirty-one thousand, one hundred thirteen".