1112131331023 has 2 divisors, whose sum is σ = 1112131331024. Its totient is φ = 1112131331022.

The previous prime is 1112131331021. The next prime is 1112131331027. The reversal of 1112131331023 is 3201331312111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1112131331023 - 2¹ = 1112131331021 is a prime.

Together with 1112131331021, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 1112131330985 and 1112131331003.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1112131331021) 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 as a sum of consecutive naturals, namely, 556065665511 + 556065665512.

It is an arithmetic number, because the mean of its divisors is an integer number (556065665512).

Almost surely, 2^{1112131331023} is an apocalyptic number.

1112131331023 is a deficient number, since it is larger than the sum of its proper divisors (1).

1112131331023 is an equidigital number, since it uses as much as digits as its factorization.

1112131331023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 1112131331023 its reverse (3201331312111), we get a palindrome (4313462643134).

The spelling of 1112131331023 in words is "one trillion, one hundred twelve billion, one hundred thirty-one million, three hundred thirty-one thousand, twenty-three".