1112331213 has 18 divisors (see below), whose sum is σ = 1869019854. Its totient is φ = 635617584.

The previous prime is 1112331211. The next prime is 1112331251. The reversal of 1112331213 is 3121332111.

It can be written as a sum of positive squares in only one way, i.e., 943902729 + 168428484 = 30723^2 + 12978^2 .

It is not a de Polignac number, because 1112331213 - 2¹ = 1112331211 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112331211) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1260706 + ... + 1261587.

Almost surely, 2^1112331213 is an apocalyptic number.

It is an amenable number.

1112331213 is a deficient number, since it is larger than the sum of its proper divisors (756688641).

1112331213 is a wasteful number, since it uses less digits than its factorization.

1112331213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2522313 (or 2522303 counting only the distinct ones).

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

The square root of 1112331213 is about 33351.6298402342. The cubic root of 1112331213 is about 1036.1231439935.

Adding to 1112331213 its reverse (3121332111), we get a palindrome (4233663324).

The spelling of 1112331213 in words is "one billion, one hundred twelve million, three hundred thirty-one thousand, two hundred thirteen".