13731103 has 2 divisors, whose sum is σ = 13731104. Its totient is φ = 13731102.

The previous prime is 13731101. The next prime is 13731119. The reversal of 13731103 is 30113731.

It is a happy number.

13731103 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13731103 - 2¹ = 13731101 is a prime.

Together with 13731101, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13731101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6865551 + 6865552.

It is an arithmetic number, because the mean of its divisors is an integer number (6865552).

Almost surely, 2^13731103 is an apocalyptic number.

13731103 is a deficient number, since it is larger than the sum of its proper divisors (1).

13731103 is an equidigital number, since it uses as much as digits as its factorization.

13731103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 189, while the sum is 19.

The square root of 13731103 is about 3705.5502965147. The cubic root of 13731103 is about 239.4611928877.

Adding to 13731103 its reverse (30113731), we get a palindrome (43844834).

The spelling of 13731103 in words is "thirteen million, seven hundred thirty-one thousand, one hundred three".