1111243313 has 8 divisors (see below), whose sum is σ = 1118101248. Its totient is φ = 1104398064.

The previous prime is 1111243297. The next prime is 1111243327. The reversal of 1111243313 is 3133421111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1111243313 - 2⁴ = 1111243297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1111243333) 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 in 7 ways as a sum of consecutive naturals, for example, 218720 + ... + 223742.

It is an arithmetic number, because the mean of its divisors is an integer number (139762656).

Almost surely, 2^1111243313 is an apocalyptic number.

It is an amenable number.

1111243313 is a deficient number, since it is larger than the sum of its proper divisors (6857935).

1111243313 is a wasteful number, since it uses less digits than its factorization.

1111243313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6343.

The product of its digits is 216, while the sum is 20.

The square root of 1111243313 is about 33335.3163026842. The cubic root of 1111243313 is about 1035.7852452229.

Adding to 1111243313 its reverse (3133421111), we get a palindrome (4244664424).

The spelling of 1111243313 in words is "one billion, one hundred eleven million, two hundred forty-three thousand, three hundred thirteen".