3112312320111 has 4 divisors (see below), whose sum is σ = 4149749760152. Its totient is φ = 2074874880072.

The previous prime is 3112312320109. The next prime is 3112312320119. The reversal of 3112312320111 is 1110232132113.

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

It is not a de Polignac number, because 3112312320111 - 2¹ = 3112312320109 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 (3112312320119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 518718720016 + ... + 518718720021.

It is an arithmetic number, because the mean of its divisors is an integer number (1037437440038).

Almost surely, 2^{3112312320111} is an apocalyptic number.

3112312320111 is a deficient number, since it is larger than the sum of its proper divisors (1037437440041).

3112312320111 is a wasteful number, since it uses less digits than its factorization.

3112312320111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1037437440040.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 3112312320111 its reverse (1110232132113), we get a palindrome (4222544452224).

The spelling of 3112312320111 in words is "three trillion, one hundred twelve billion, three hundred twelve million, three hundred twenty thousand, one hundred eleven".