311877743111 has 4 divisors (see below), whose sum is σ = 340230265224. Its totient is φ = 283525221000.

The previous prime is 311877743101. The next prime is 311877743113. The reversal of 311877743111 is 111347778113.

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 311877743111 - 2³⁴ = 294697873927 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 (311877743113) 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, 14176261040 + ... + 14176261061.

It is an arithmetic number, because the mean of its divisors is an integer number (85057566306).

Almost surely, 2^311877743111 is an apocalyptic number.

311877743111 is a deficient number, since it is larger than the sum of its proper divisors (28352522113).

311877743111 is a wasteful number, since it uses less digits than its factorization.

311877743111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28352522112.

The product of its digits is 98784, while the sum is 44.

The spelling of 311877743111 in words is "three hundred eleven billion, eight hundred seventy-seven million, seven hundred forty-three thousand, one hundred eleven".