11331329 has 2 divisors, whose sum is σ = 11331330. Its totient is φ = 11331328.

The previous prime is 11331319. The next prime is 11331343. The reversal of 11331329 is 92313311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8690704 + 2640625 = 2948^2 + 1625^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11331329 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11331319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5665664 + 5665665.

It is an arithmetic number, because the mean of its divisors is an integer number (5665665).

Almost surely, 2^11331329 is an apocalyptic number.

It is an amenable number.

11331329 is a deficient number, since it is larger than the sum of its proper divisors (1).

11331329 is an equidigital number, since it uses as much as digits as its factorization.

11331329 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 486, while the sum is 23.

The square root of 11331329 is about 3366.2039450990. The cubic root of 11331329 is about 224.6088942176.

The spelling of 11331329 in words is "eleven million, three hundred thirty-one thousand, three hundred twenty-nine".