13144311 has 6 divisors (see below), whose sum is σ = 18986240. Its totient is φ = 8762868.

The previous prime is 13144297. The next prime is 13144319. The reversal of 13144311 is 11344131.

13144311 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13144311 - 2⁹ = 13143799 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 (13144319) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 730231 + ... + 730248.

Almost surely, 2^13144311 is an apocalyptic number.

13144311 is a deficient number, since it is larger than the sum of its proper divisors (5841929).

13144311 is a wasteful number, since it uses less digits than its factorization.

13144311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1460485 (or 1460482 counting only the distinct ones).

The product of its digits is 144, while the sum is 18.

The square root of 13144311 is about 3625.5083781451. The cubic root of 13144311 is about 236.0003291674. Note that the first 3 decimals are identical.

Adding to 13144311 its reverse (11344131), we get a palindrome (24488442).

It can be divided in two parts, 1314 and 4311, that added together give a square (5625 = 75²).

The spelling of 13144311 in words is "thirteen million, one hundred forty-four thousand, three hundred eleven".