13442311 has 4 divisors (see below), whose sum is σ = 13450000. Its totient is φ = 13434624.

The previous prime is 13442309. The next prime is 13442323. The reversal of 13442311 is 11324431.

13442311 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 a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 11324431 = 17 ⋅666143.

It is a cyclic number.

It is not a de Polignac number, because 13442311 - 2¹ = 13442309 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 (13442371) 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, 190 + ... + 5188.

It is an arithmetic number, because the mean of its divisors is an integer number (3362500).

Almost surely, 2^13442311 is an apocalyptic number.

13442311 is a deficient number, since it is larger than the sum of its proper divisors (7689).

13442311 is an equidigital number, since it uses as much as digits as its factorization.

13442311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7688.

The product of its digits is 288, while the sum is 19.

The square root of 13442311 is about 3666.3757308819. The cubic root of 13442311 is about 237.7705047141.

Adding to 13442311 its reverse (11324431), we get a palindrome (24766742).

It can be divided in two parts, 1344 and 2311, that added together give a triangular number (3655 = T₈₅).

The spelling of 13442311 in words is "thirteen million, four hundred forty-two thousand, three hundred eleven".