2112303031 has 4 divisors (see below), whose sum is σ = 2112399592. Its totient is φ = 2112206472.

The previous prime is 2112303029. The next prime is 2112303041. The reversal of 2112303031 is 1303032112.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2112303031 - 2¹ = 2112303029 is a prime.

It is a super-2 number, since 2×2112303031² = 8923648189543573922, 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 = 2112302996 and 2112303014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112303001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1960 + ... + 65026.

It is an arithmetic number, because the mean of its divisors is an integer number (528099898).

Almost surely, 2^2112303031 is an apocalyptic number.

2112303031 is a deficient number, since it is larger than the sum of its proper divisors (96561).

2112303031 is an equidigital number, since it uses as much as digits as its factorization.

2112303031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96560.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 2112303031 is about 45959.7979869364. The cubic root of 2112303031 is about 1283.0750915850.

Adding to 2112303031 its reverse (1303032112), we get a palindrome (3415335143).

The spelling of 2112303031 in words is "two billion, one hundred twelve million, three hundred three thousand, thirty-one".