2312042111 has 4 divisors (see below), whose sum is σ = 2368433424. Its totient is φ = 2255650800.

The previous prime is 2312042099. The next prime is 2312042119. The reversal of 2312042111 is 1112402132.

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 2312042111 - 2²⁶ = 2244933247 is a prime.

It is a super-4 number, since 4×2312042111⁴ (a number of 39 digits) contains 4444 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2312042111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2312042119) 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, 28195595 + ... + 28195676.

It is an arithmetic number, because the mean of its divisors is an integer number (592108356).

Almost surely, 2^2312042111 is an apocalyptic number.

2312042111 is a deficient number, since it is larger than the sum of its proper divisors (56391313).

2312042111 is an equidigital number, since it uses as much as digits as its factorization.

2312042111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56391312.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 2312042111 is about 48083.6990153628. The cubic root of 2312042111 is about 1322.3058317978.

Adding to 2312042111 its reverse (1112402132), we get a palindrome (3424444243).

The spelling of 2312042111 in words is "two billion, three hundred twelve million, forty-two thousand, one hundred eleven".