311315004111 has 4 divisors (see below), whose sum is σ = 415086672152. Its totient is φ = 207543336072.

The previous prime is 311315004101. The next prime is 311315004113. The reversal of 311315004111 is 111400513113.

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

It is not a de Polignac number, because 311315004111 - 2⁵ = 311315004079 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 (311315004113) 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, 51885834016 + ... + 51885834021.

It is an arithmetic number, because the mean of its divisors is an integer number (103771668038).

Almost surely, 2^311315004111 is an apocalyptic number.

311315004111 is a deficient number, since it is larger than the sum of its proper divisors (103771668041).

311315004111 is a wasteful number, since it uses less digits than its factorization.

311315004111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103771668040.

The product of its (nonzero) digits is 180, while the sum is 21.

Adding to 311315004111 its reverse (111400513113), we get a palindrome (422715517224).

The spelling of 311315004111 in words is "three hundred eleven billion, three hundred fifteen million, four thousand, one hundred eleven".