13731303 has 4 divisors (see below), whose sum is σ = 18308408. Its totient is φ = 9154200.

The previous prime is 13731301. The next prime is 13731307. The reversal of 13731303 is 30313731.

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

It is not a de Polignac number, because 13731303 - 2¹ = 13731301 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 13731303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13731301) 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 3 ways as a sum of consecutive naturals, for example, 2288548 + ... + 2288553.

It is an arithmetic number, because the mean of its divisors is an integer number (4577102).

Almost surely, 2^13731303 is an apocalyptic number.

13731303 is a deficient number, since it is larger than the sum of its proper divisors (4577105).

13731303 is an equidigital number, since it uses as much as digits as its factorization.

13731303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4577104.

The product of its (nonzero) digits is 567, while the sum is 21.

The square root of 13731303 is about 3705.5772829615. The cubic root of 13731303 is about 239.4623555038.

The spelling of 13731303 in words is "thirteen million, seven hundred thirty-one thousand, three hundred three".