13144331 has 2 divisors, whose sum is σ = 13144332. Its totient is φ = 13144330.

The previous prime is 13144319. The next prime is 13144343. The reversal of 13144331 is 13344131.

It is a balanced prime because it is at equal distance from previous prime (13144319) and next prime (13144343).

It is an emirp because it is prime and its reverse (13344131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13144331 - 2⁶ = 13144267 is a prime.

It is a super-2 number, since 2×13144331² = 345546874875122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (13144531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6572165 + 6572166.

It is an arithmetic number, because the mean of its divisors is an integer number (6572166).

Almost surely, 2^13144331 is an apocalyptic number.

13144331 is a deficient number, since it is larger than the sum of its proper divisors (1).

13144331 is an equidigital number, since it uses as much as digits as its factorization.

13144331 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 432, while the sum is 20.

The square root of 13144331 is about 3625.5111363779. The cubic root of 13144331 is about 236.0004488644. Note that the first 3 decimals are identical.

Adding to 13144331 its reverse (13344131), we get a palindrome (26488462).

The spelling of 13144331 in words is "thirteen million, one hundred forty-four thousand, three hundred thirty-one".