513163530203 has 2 divisors, whose sum is σ = 513163530204. Its totient is φ = 513163530202.

The previous prime is 513163530197. The next prime is 513163530211. The reversal of 513163530203 is 302035361315.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 513163530203 - 2⁸ = 513163529947 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 513163530203.

It is not a weakly prime, because it can be changed into another prime (513163530233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256581765101 + 256581765102.

It is an arithmetic number, because the mean of its divisors is an integer number (256581765102).

Almost surely, 2^513163530203 is an apocalyptic number.

513163530203 is a deficient number, since it is larger than the sum of its proper divisors (1).

513163530203 is an equidigital number, since it uses as much as digits as its factorization.

513163530203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24300, while the sum is 32.

Adding to 513163530203 its reverse (302035361315), we get a palindrome (815198891518).

The spelling of 513163530203 in words is "five hundred thirteen billion, one hundred sixty-three million, five hundred thirty thousand, two hundred three".