13103131343 has 4 divisors (see below), whose sum is σ = 13107104088. Its totient is φ = 13099158600.

The previous prime is 13103131339. The next prime is 13103131357. The reversal of 13103131343 is 34313130131.

13103131343 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 13103131343 - 2² = 13103131339 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13103131313) 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, 1981421 + ... + 1988022.

It is an arithmetic number, because the mean of its divisors is an integer number (3276776022).

Almost surely, 2^13103131343 is an apocalyptic number.

13103131343 is a deficient number, since it is larger than the sum of its proper divisors (3972745).

13103131343 is an equidigital number, since it uses as much as digits as its factorization.

13103131343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3972744.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 13103131343 its reverse (34313130131), we get a palindrome (47416261474).

The spelling of 13103131343 in words is "thirteen billion, one hundred three million, one hundred thirty-one thousand, three hundred forty-three".