11331023309 has 2 divisors, whose sum is σ = 11331023310. Its totient is φ = 11331023308.

The previous prime is 11331023303. The next prime is 11331023351. The reversal of 11331023309 is 90332013311.

11331023309 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11321598409 + 9424900 = 106403^2 + 3070^2 .

It is a cyclic number.

It is not a de Polignac number, because 11331023309 - 2¹² = 11331019213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11331023303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5665511654 + 5665511655.

It is an arithmetic number, because the mean of its divisors is an integer number (5665511655).

Almost surely, 2^11331023309 is an apocalyptic number.

It is an amenable number.

11331023309 is a deficient number, since it is larger than the sum of its proper divisors (1).

11331023309 is an equidigital number, since it uses as much as digits as its factorization.

11331023309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1458, while the sum is 26.

The spelling of 11331023309 in words is "eleven billion, three hundred thirty-one million, twenty-three thousand, three hundred nine".