1140112331 has 4 divisors (see below), whose sum is σ = 1142686392. Its totient is φ = 1137538272.

The previous prime is 1140112307. The next prime is 1140112343. The reversal of 1140112331 is 1332110411.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1140112331 is a prime.

It is a super-2 number, since 2×1140112331² = 2599712254596507122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1140112301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1286366 + ... + 1287251.

It is an arithmetic number, because the mean of its divisors is an integer number (285671598).

Almost surely, 2^1140112331 is an apocalyptic number.

1140112331 is a deficient number, since it is larger than the sum of its proper divisors (2574061).

1140112331 is an equidigital number, since it uses as much as digits as its factorization.

1140112331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2574060.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 1140112331 is about 33765.5494698369. The cubic root of 1140112331 is about 1044.6782373612.

Adding to 1140112331 its reverse (1332110411), we get a palindrome (2472222742).

It can be divided in two parts, 11401 and 12331, that added together give a palindrome (23732).

The spelling of 1140112331 in words is "one billion, one hundred forty million, one hundred twelve thousand, three hundred thirty-one".