1112112331 has 12 divisors (see below), whose sum is σ = 1252224792. Its totient is φ = 986348000.

The previous prime is 1112112319. The next prime is 1112112359. The reversal of 1112112331 is 1332112111.

It is a happy number.

It is not a de Polignac number, because 1112112331 - 2²³ = 1103723723 is a prime.

It is a super-7 number, since 7×1112112331⁷ (a number of 65 digits) contains 7777777 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1112112301) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 107125 + ... + 117046.

It is an arithmetic number, because the mean of its divisors is an integer number (104352066).

Almost surely, 2^1112112331 is an apocalyptic number.

1112112331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1112112331 is a deficient number, since it is larger than the sum of its proper divisors (140112461).

1112112331 is a wasteful number, since it uses less digits than its factorization.

1112112331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224234 (or 224223 counting only the distinct ones).

The product of its digits is 36, while the sum is 16.

The square root of 1112112331 is about 33348.3482499509. The cubic root of 1112112331 is about 1036.0551775519.

Adding to 1112112331 its reverse (1332112111), we get a palindrome (2444224442).

The spelling of 1112112331 in words is "one billion, one hundred twelve million, one hundred twelve thousand, three hundred thirty-one".