13231131103 has 2 divisors, whose sum is σ = 13231131104. Its totient is φ = 13231131102.

The previous prime is 13231131101. The next prime is 13231131107. The reversal of 13231131103 is 30113113231.

13231131103 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 an emirp because it is prime and its reverse (30113113231) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13231131103 - 2¹ = 13231131101 is a prime.

Together with 13231131101, 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 (13231131101) 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 as a sum of consecutive naturals, namely, 6615565551 + 6615565552.

It is an arithmetic number, because the mean of its divisors is an integer number (6615565552).

Almost surely, 2^13231131103 is an apocalyptic number.

13231131103 is a deficient number, since it is larger than the sum of its proper divisors (1).

13231131103 is an equidigital number, since it uses as much as digits as its factorization.

13231131103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 13231131103 its reverse (30113113231), we get a palindrome (43344244334).

The spelling of 13231131103 in words is "thirteen billion, two hundred thirty-one million, one hundred thirty-one thousand, one hundred three".