1112113312031 has 16 divisors (see below), whose sum is σ = 1179849151488. Its totient is φ = 1046003349600.

The previous prime is 1112113311973. The next prime is 1112113312033. The reversal of 1112113312031 is 1302133112111.

It is a cyclic number.

It is not a de Polignac number, because 1112113312031 - 2²² = 1112109117727 is a prime.

It is a super-2 number, since 2×1112113312031² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1112113311994 and 1112113312012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112113312033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4554410 + ... + 4792376.

It is an arithmetic number, because the mean of its divisors is an integer number (73740571968).

Almost surely, 2^{1112113312031} is an apocalyptic number.

1112113312031 is a deficient number, since it is larger than the sum of its proper divisors (67735839457).

1112113312031 is a wasteful number, since it uses less digits than its factorization.

1112113312031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241382.

The product of its (nonzero) digits is 108, while the sum is 20.

Adding to 1112113312031 its reverse (1302133112111), we get a palindrome (2414246424142).

The spelling of 1112113312031 in words is "one trillion, one hundred twelve billion, one hundred thirteen million, three hundred twelve thousand, thirty-one".