1112113031 has 4 divisors (see below), whose sum is σ = 1115621592. Its totient is φ = 1108604472.

The previous prime is 1112113001. The next prime is 1112113039. The reversal of 1112113031 is 1303112111.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1112113031 - 2¹⁰ = 1112112007 is a prime.

It is a super-2 number, since 2×1112113031² = 2473590787440013922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1112112997 and 1112113015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112113039) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1753805 + ... + 1754438.

It is an arithmetic number, because the mean of its divisors is an integer number (278905398).

Almost surely, 2^1112113031 is an apocalyptic number.

1112113031 is a deficient number, since it is larger than the sum of its proper divisors (3508561).

1112113031 is an equidigital number, since it uses as much as digits as its factorization.

1112113031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3508560.

The product of its (nonzero) digits is 18, while the sum is 14.

The square root of 1112113031 is about 33348.3587452216. The cubic root of 1112113031 is about 1036.0553949276.

Adding to 1112113031 its reverse (1303112111), we get a palindrome (2415225142).

The spelling of 1112113031 in words is "one billion, one hundred twelve million, one hundred thirteen thousand, thirty-one".