513500120103 has 8 divisors (see below), whose sum is σ = 685619078400. Its totient is φ = 341857287608.

The previous prime is 513500120059. The next prime is 513500120113. The reversal of 513500120103 is 301021005315.

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 513500120103 - 2¹⁴ = 513500103719 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 513500120103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513500120113) 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, 119028933 + ... + 119033246.

It is an arithmetic number, because the mean of its divisors is an integer number (85702384800).

Almost surely, 2^513500120103 is an apocalyptic number.

513500120103 is a deficient number, since it is larger than the sum of its proper divisors (172118958297).

513500120103 is a wasteful number, since it uses less digits than its factorization.

513500120103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238062901.

The product of its (nonzero) digits is 450, while the sum is 21.

Adding to 513500120103 its reverse (301021005315), we get a palindrome (814521125418).

The spelling of 513500120103 in words is "five hundred thirteen billion, five hundred million, one hundred twenty thousand, one hundred three".