2312544442111 has 4 divisors (see below), whose sum is σ = 2312599106752. Its totient is φ = 2312489777472.

The previous prime is 2312544442099. The next prime is 2312544442129. The reversal of 2312544442111 is 1112444452132.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2312544442111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2312544446111) 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, 27268815 + ... + 27353488.

It is an arithmetic number, because the mean of its divisors is an integer number (578149776688).

Almost surely, 2^{2312544442111} is an apocalyptic number.

2312544442111 is a deficient number, since it is larger than the sum of its proper divisors (54664641).

2312544442111 is an equidigital number, since it uses as much as digits as its factorization.

2312544442111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54664640.

The product of its digits is 30720, while the sum is 34.

Adding to 2312544442111 its reverse (1112444452132), we get a palindrome (3424988894243).

The spelling of 2312544442111 in words is "two trillion, three hundred twelve billion, five hundred forty-four million, four hundred forty-two thousand, one hundred eleven".