1121340313 has 2 divisors, whose sum is σ = 1121340314. Its totient is φ = 1121340312.

The previous prime is 1121340307. The next prime is 1121340323. The reversal of 1121340313 is 3130431211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 776569689 + 344770624 = 27867^2 + 18568^2 .

It is a cyclic number.

It is not a de Polignac number, because 1121340313 - 2¹⁷ = 1121209241 is a prime.

It is not a weakly prime, because it can be changed into another prime (1121340323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560670156 + 560670157.

It is an arithmetic number, because the mean of its divisors is an integer number (560670157).

Almost surely, 2^1121340313 is an apocalyptic number.

It is an amenable number.

1121340313 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121340313 is an equidigital number, since it uses as much as digits as its factorization.

1121340313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 1121340313 is about 33486.4198295369. The cubic root of 1121340313 is about 1038.9129151917.

Adding to 1121340313 its reverse (3130431211), we get a palindrome (4251771524).

The spelling of 1121340313 in words is "one billion, one hundred twenty-one million, three hundred forty thousand, three hundred thirteen".