513115104203 has 32 divisors (see below), whose sum is σ = 558489520512. Its totient is φ = 468620006400.

The previous prime is 513115104199. The next prime is 513115104217. The reversal of 513115104203 is 302401511315.

It is not a de Polignac number, because 513115104203 - 2² = 513115104199 is a prime.

It is a super-2 number, since 2×513115104203² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (513115107203) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 497686298 + ... + 497687328.

It is an arithmetic number, because the mean of its divisors is an integer number (17452797516).

Almost surely, 2^513115104203 is an apocalyptic number.

513115104203 is a deficient number, since it is larger than the sum of its proper divisors (45374416309).

513115104203 is a wasteful number, since it uses less digits than its factorization.

513115104203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2135.

The product of its (nonzero) digits is 1800, while the sum is 26.

Adding to 513115104203 its reverse (302401511315), we get a palindrome (815516615518).

The spelling of 513115104203 in words is "five hundred thirteen billion, one hundred fifteen million, one hundred four thousand, two hundred three".