13432321311 has 4 divisors (see below), whose sum is σ = 17909761752. Its totient is φ = 8954880872.

The previous prime is 13432321303. The next prime is 13432321319. The reversal of 13432321311 is 11312323431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11312323431 = 3 ⋅3770774477.

It is an interprime number because it is at equal distance from previous prime (13432321303) and next prime (13432321319).

It is a cyclic number.

It is not a de Polignac number, because 13432321311 - 2³ = 13432321303 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13432321319) 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, 2238720216 + ... + 2238720221.

It is an arithmetic number, because the mean of its divisors is an integer number (4477440438).

Almost surely, 2^13432321311 is an apocalyptic number.

13432321311 is a deficient number, since it is larger than the sum of its proper divisors (4477440441).

13432321311 is an equidigital number, since it uses as much as digits as its factorization.

13432321311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4477440440.

The product of its digits is 1296, while the sum is 24.

Adding to 13432321311 its reverse (11312323431), we get a palindrome (24744644742).

The spelling of 13432321311 in words is "thirteen billion, four hundred thirty-two million, three hundred twenty-one thousand, three hundred eleven".