13143303 has 10 divisors (see below), whose sum is σ = 19633944. Its totient is φ = 8762148.

The previous prime is 13143301. The next prime is 13143313. The reversal of 13143303 is 30334131.

It is not a de Polignac number, because 13143303 - 2¹ = 13143301 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13143301) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 81051 + ... + 81212.

Almost surely, 2^13143303 is an apocalyptic number.

13143303 is a deficient number, since it is larger than the sum of its proper divisors (6490641).

13143303 is an equidigital number, since it uses as much as digits as its factorization.

13143303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162275 (or 162266 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 13143303 is about 3625.3693604928. The cubic root of 13143303 is about 235.9942962808.

Adding to 13143303 its reverse (30334131), we get a palindrome (43477434).

It can be divided in two parts, 131 and 43303, that added together give a palindrome (43434).

The spelling of 13143303 in words is "thirteen million, one hundred forty-three thousand, three hundred three".