102513203 has 6 divisors (see below), whose sum is σ = 111005604. Its totient is φ = 94627416.

The previous prime is 102513197. The next prime is 102513211. The reversal of 102513203 is 302315201.

It is a de Polignac number, because none of the positive numbers 2^k-102513203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102513233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 303125 + ... + 303462.

It is an arithmetic number, because the mean of its divisors is an integer number (18500934).

Almost surely, 2^102513203 is an apocalyptic number.

102513203 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

102513203 is a deficient number, since it is larger than the sum of its proper divisors (8492401).

102513203 is an equidigital number, since it uses as much as digits as its factorization.

102513203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 606613 (or 606600 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 102513203 is about 10124.8803943553. The cubic root of 102513203 is about 468.0151744051.

Adding to 102513203 its reverse (302315201), we get a palindrome (404828404).

The spelling of 102513203 in words is "one hundred two million, five hundred thirteen thousand, two hundred three".