311103320102111 has 4 divisors (see below), whose sum is σ = 311620962898224. Its totient is φ = 310585677306000.

The previous prime is 311103320102053. The next prime is 311103320102161. The reversal of 311103320102111 is 111201023301113.

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 311103320102111 - 2¹⁸ = 311103319839967 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 (311103320102161) 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, 258821397155 + ... + 258821398356.

It is an arithmetic number, because the mean of its divisors is an integer number (77905240724556).

Almost surely, 2^{311103320102111} is an apocalyptic number.

311103320102111 is a deficient number, since it is larger than the sum of its proper divisors (517642796113).

311103320102111 is an equidigital number, since it uses as much as digits as its factorization.

311103320102111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 517642796112.

The product of its (nonzero) digits is 108, while the sum is 20.

Adding to 311103320102111 its reverse (111201023301113), we get a palindrome (422304343403224).

The spelling of 311103320102111 in words is "three hundred eleven trillion, one hundred three billion, three hundred twenty million, one hundred two thousand, one hundred eleven".