1111323313 has 4 divisors (see below), whose sum is σ = 1119435300. Its totient is φ = 1103211328.

The previous prime is 1111323299. The next prime is 1111323329. The reversal of 1111323313 is 3133231111.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 719956224 + 391367089 = 26832^2 + 19783^2 .

It is a cyclic number.

It is not a de Polignac number, because 1111323313 - 2⁹ = 1111322801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1111323013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4055788 + ... + 4056061.

It is an arithmetic number, because the mean of its divisors is an integer number (279858825).

Almost surely, 2^1111323313 is an apocalyptic number.

It is an amenable number.

1111323313 is a deficient number, since it is larger than the sum of its proper divisors (8111987).

1111323313 is an equidigital number, since it uses as much as digits as its factorization.

1111323313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8111986.

The product of its digits is 162, while the sum is 19.

The square root of 1111323313 is about 33336.5162097061. The cubic root of 1111323313 is about 1035.8101005149.

Adding to 1111323313 its reverse (3133231111), we get a palindrome (4244554424).

The spelling of 1111323313 in words is "one billion, one hundred eleven million, three hundred twenty-three thousand, three hundred thirteen".