1121233313 has 2 divisors, whose sum is σ = 1121233314. Its totient is φ = 1121233312.

The previous prime is 1121233297. The next prime is 1121233357. The reversal of 1121233313 is 3133321211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 855445504 + 265787809 = 29248^2 + 16303^2 .

It is a cyclic number.

It is not a de Polignac number, because 1121233313 - 2⁴ = 1121233297 is a prime.

It is not a weakly prime, because it can be changed into another prime (1121233013) 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, 560616656 + 560616657.

It is an arithmetic number, because the mean of its divisors is an integer number (560616657).

Almost surely, 2^1121233313 is an apocalyptic number.

It is an amenable number.

1121233313 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121233313 is an equidigital number, since it uses as much as digits as its factorization.

1121233313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 324, while the sum is 20.

The square root of 1121233313 is about 33484.8221288392. The cubic root of 1121233313 is about 1038.8798692565.

Adding to 1121233313 its reverse (3133321211), we get a palindrome (4254554524).

The spelling of 1121233313 in words is "one billion, one hundred twenty-one million, two hundred thirty-three thousand, three hundred thirteen".