2112300031 has 4 divisors (see below), whose sum is σ = 2236552992. Its totient is φ = 1988047072.

The previous prime is 2112300023. The next prime is 2112300037. The reversal of 2112300031 is 1300032112.

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 2112300031 - 2³ = 2112300023 is a prime.

It is a super-2 number, since 2×2112300031² = 8923622841925201922, 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 = 2112299984 and 2112300020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112300037) 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, 62126455 + ... + 62126488.

It is an arithmetic number, because the mean of its divisors is an integer number (559138248).

Almost surely, 2^2112300031 is an apocalyptic number.

2112300031 is a deficient number, since it is larger than the sum of its proper divisors (124252961).

2112300031 is a wasteful number, since it uses less digits than its factorization.

2112300031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124252960.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 2112300031 is about 45959.7653497056. The cubic root of 2112300031 is about 1283.0744841552.

Adding to 2112300031 its reverse (1300032112), we get a palindrome (3412332143).

The spelling of 2112300031 in words is "two billion, one hundred twelve million, three hundred thousand, thirty-one".