3122312342311 has 4 divisors (see below), whose sum is σ = 3122448455232. Its totient is φ = 3122176229392.

The previous prime is 3122312342309. The next prime is 3122312342333. The reversal of 3122312342311 is 1132432132213.

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 3122312342311 - 2¹ = 3122312342309 is a prime.

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 3122312342311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3122312342111) 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, 68022046 + ... + 68067931.

It is an arithmetic number, because the mean of its divisors is an integer number (780612113808).

Almost surely, 2^{3122312342311} is an apocalyptic number.

3122312342311 is a deficient number, since it is larger than the sum of its proper divisors (136112921).

3122312342311 is a wasteful number, since it uses less digits than its factorization.

3122312342311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136112920.

The product of its digits is 5184, while the sum is 28.

Adding to 3122312342311 its reverse (1132432132213), we get a palindrome (4254744474524).

The spelling of 3122312342311 in words is "three trillion, one hundred twenty-two billion, three hundred twelve million, three hundred forty-two thousand, three hundred eleven".