105313503 has 4 divisors (see below), whose sum is σ = 140418008. Its totient is φ = 70209000.

The previous prime is 105313501. The next prime is 105313513. The reversal of 105313503 is 305313501.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 105313503 - 2¹ = 105313501 is a prime.

It is a super-2 number, since 2×105313503² = 22181867828262018, which contains 22 as substring.

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 105313503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105313501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17552248 + ... + 17552253.

It is an arithmetic number, because the mean of its divisors is an integer number (35104502).

Almost surely, 2^105313503 is an apocalyptic number.

105313503 is a deficient number, since it is larger than the sum of its proper divisors (35104505).

105313503 is an equidigital number, since it uses as much as digits as its factorization.

105313503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35104504.

The product of its (nonzero) digits is 675, while the sum is 21.

The square root of 105313503 is about 10262.2367444919. The cubic root of 105313503 is about 472.2384588794.

The spelling of 105313503 in words is "one hundred five million, three hundred thirteen thousand, five hundred three".