2311230312112 has 20 divisors (see below), whose sum is σ = 4478148101160. Its totient is φ = 1155579189248.

The previous prime is 2311230312073. The next prime is 2311230312133. The reversal of 2311230312112 is 2112130321132.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1713937 + ... + 2749552.

It is an arithmetic number, because the mean of its divisors is an integer number (223907405058).

Almost surely, 2^{2311230312112} is an apocalyptic number.

It is an amenable number.

2311230312112 is a deficient number, since it is larger than the sum of its proper divisors (2166917789048).

2311230312112 is a wasteful number, since it uses less digits than its factorization.

2311230312112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4495860 (or 4495854 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 2311230312112 its reverse (2112130321132), we get a palindrome (4423360633244).

The spelling of 2311230312112 in words is "two trillion, three hundred eleven billion, two hundred thirty million, three hundred twelve thousand, one hundred twelve".