13231333 has 2 divisors, whose sum is σ = 13231334. Its totient is φ = 13231332.

The previous prime is 13231331. The next prime is 13231343. The reversal of 13231333 is 33313231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7628644 + 5602689 = 2762^2 + 2367^2 .

It is a cyclic number.

It is not a de Polignac number, because 13231333 - 2¹ = 13231331 is a prime.

Together with 13231331, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 13231333.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13231331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6615666 + 6615667.

It is an arithmetic number, because the mean of its divisors is an integer number (6615667).

Almost surely, 2^13231333 is an apocalyptic number.

It is an amenable number.

13231333 is a deficient number, since it is larger than the sum of its proper divisors (1).

13231333 is an equidigital number, since it uses as much as digits as its factorization.

13231333 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 486, while the sum is 19.

The square root of 13231333 is about 3637.4899312575. The cubic root of 13231333 is about 236.5199979514.

Adding to 13231333 its reverse (33313231), we get a palindrome (46544564).

The spelling of 13231333 in words is "thirteen million, two hundred thirty-one thousand, three hundred thirty-three".