13431422111 has 4 divisors (see below), whose sum is σ = 13864693824. Its totient is φ = 12998150400.

The previous prime is 13431422087. The next prime is 13431422117. The reversal of 13431422111 is 11122413431.

13431422111 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, and also an emirpimes, since its reverse is a distinct semiprime: 11122413431 = 6287 ⋅1769113.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13431422111 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 (13431422117) 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, 216635810 + ... + 216635871.

It is an arithmetic number, because the mean of its divisors is an integer number (3466173456).

Almost surely, 2^13431422111 is an apocalyptic number.

13431422111 is a deficient number, since it is larger than the sum of its proper divisors (433271713).

13431422111 is an equidigital number, since it uses as much as digits as its factorization.

13431422111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433271712.

The product of its digits is 576, while the sum is 23.

Adding to 13431422111 its reverse (11122413431), we get a palindrome (24553835542).

The spelling of 13431422111 in words is "thirteen billion, four hundred thirty-one million, four hundred twenty-two thousand, one hundred eleven".