513105203163 has 8 divisors (see below), whose sum is σ = 781874595328. Its totient is φ = 293202973224.

The previous prime is 513105203147. The next prime is 513105203207. The reversal of 513105203163 is 361302501315.

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

It is not a de Polignac number, because 513105203163 - 2⁴ = 513105203147 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 513105203163.

It is not an unprimeable number, because it can be changed into a prime (513105203123) 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, 12216790531 + ... + 12216790572.

It is an arithmetic number, because the mean of its divisors is an integer number (97734324416).

Almost surely, 2^513105203163 is an apocalyptic number.

513105203163 is a deficient number, since it is larger than the sum of its proper divisors (268769392165).

513105203163 is a wasteful number, since it uses less digits than its factorization.

513105203163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24433581113.

The product of its (nonzero) digits is 8100, while the sum is 30.

Adding to 513105203163 its reverse (361302501315), we get a palindrome (874407704478).

The spelling of 513105203163 in words is "five hundred thirteen billion, one hundred five million, two hundred three thousand, one hundred sixty-three".