2112303830 has 32 divisors (see below), whose sum is σ = 4679567424. Its totient is φ = 668509056.

The previous prime is 2112303779. The next prime is 2112303863. The reversal of 2112303830 is 383032112.

It is a junction number, because it is equal to n+sod(n) for n = 2112303796 and 2112303805.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1159697 + ... + 1161516.

It is an arithmetic number, because the mean of its divisors is an integer number (146236482).

Almost surely, 2^2112303830 is an apocalyptic number.

2112303830 is an abundant number, since it is smaller than the sum of its proper divisors (2567263594).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2112303830 is a wasteful number, since it uses less digits than its factorization.

2112303830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2321240.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 2112303830 is about 45959.8066793149. The cubic root of 2112303830 is about 1283.0752533637.

Adding to 2112303830 its reverse (383032112), we get a palindrome (2495335942).

The spelling of 2112303830 in words is "two billion, one hundred twelve million, three hundred three thousand, eight hundred thirty".