13031322343 has 4 divisors (see below), whose sum is σ = 14033731768. Its totient is φ = 12028912920.

The previous prime is 13031322277. The next prime is 13031322373. The reversal of 13031322343 is 34322313031.

13031322343 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 a de Polignac number, because none of the positive numbers 2^k-13031322343 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 (13031322373) 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, 501204693 + ... + 501204718.

It is an arithmetic number, because the mean of its divisors is an integer number (3508432942).

Almost surely, 2^13031322343 is an apocalyptic number.

13031322343 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

13031322343 is a deficient number, since it is larger than the sum of its proper divisors (1002409425).

13031322343 is a wasteful number, since it uses less digits than its factorization.

13031322343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1002409424.

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 13031322343 its reverse (34322313031), we get a palindrome (47353635374).

The spelling of 13031322343 in words is "thirteen billion, thirty-one million, three hundred twenty-two thousand, three hundred forty-three".