1112231313 has 24 divisors (see below), whose sum is σ = 1660899240. Its totient is φ = 716739840.

The previous prime is 1112231311. The next prime is 1112231327. The reversal of 1112231313 is 3131322111.

It can be written as a sum of positive squares in 4 ways, for example, as 22439169 + 1089792144 = 4737^2 + 33012^2 .

It is not a de Polignac number, because 1112231313 - 2¹ = 1112231311 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1112231311) 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 23 ways as a sum of consecutive naturals, for example, 26395 + ... + 54047.

It is an arithmetic number, because the mean of its divisors is an integer number (69204135).

Almost surely, 2^1112231313 is an apocalyptic number.

It is an amenable number.

1112231313 is a deficient number, since it is larger than the sum of its proper divisors (548667927).

1112231313 is a wasteful number, since it uses less digits than its factorization.

1112231313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27809 (or 27806 counting only the distinct ones).

The product of its digits is 108, while the sum is 18.

The square root of 1112231313 is about 33350.1321286738. The cubic root of 1112231313 is about 1036.0921245155.

Adding to 1112231313 its reverse (3131322111), we get a palindrome (4243553424).

The spelling of 1112231313 in words is "one billion, one hundred twelve million, two hundred thirty-one thousand, three hundred thirteen".