13431422011 has 4 divisors (see below), whose sum is σ = 15350196592. Its totient is φ = 11512647432.

The previous prime is 13431421981. The next prime is 13431422029. The reversal of 13431422011 is 11022413431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11022413431 = 109 ⋅101123059.

It is a cyclic number.

It is not a de Polignac number, because 13431422011 - 2¹⁹ = 13430897723 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13431422041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 959387280 + ... + 959387293.

It is an arithmetic number, because the mean of its divisors is an integer number (3837549148).

Almost surely, 2^13431422011 is an apocalyptic number.

13431422011 is a deficient number, since it is larger than the sum of its proper divisors (1918774581).

13431422011 is an equidigital number, since it uses as much as digits as its factorization.

13431422011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1918774580.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 13431422011 its reverse (11022413431), we get a palindrome (24453835442).

The spelling of 13431422011 in words is "thirteen billion, four hundred thirty-one million, four hundred twenty-two thousand, eleven".