2312120344311 has 12 divisors (see below), whose sum is σ = 3340049756680. Its totient is φ = 1541265699600.

The previous prime is 2312120344307. The next prime is 2312120344319. The reversal of 2312120344311 is 1134430212132.

2312120344311 is a `hidden beast` number, since 2 + 3 + 1 + 2 + 1 + 2 + 0 + 344 + 311 = 666.

It is not a de Polignac number, because 2312120344311 - 2² = 2312120344307 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 (2312120344319) 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 11 ways as a sum of consecutive naturals, for example, 12222865 + ... + 12410586.

Almost surely, 2^{2312120344311} is an apocalyptic number.

2312120344311 is a deficient number, since it is larger than the sum of its proper divisors (1027929412369).

2312120344311 is a wasteful number, since it uses less digits than its factorization.

2312120344311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24643886 (or 24643883 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 2312120344311 its reverse (1134430212132), we get a palindrome (3446550556443).

The spelling of 2312120344311 in words is "two trillion, three hundred twelve billion, one hundred twenty million, three hundred forty-four thousand, three hundred eleven".