311342243113 has 4 divisors (see below), whose sum is σ = 339646083408. Its totient is φ = 283038402820.

The previous prime is 311342243101. The next prime is 311342243119.

311342243113 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-311342243113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (311342243119) 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, 14151920131 + ... + 14151920152.

It is an arithmetic number, because the mean of its divisors is an integer number (84911520852).

Almost surely, 2^311342243113 is an apocalyptic number.

It is an amenable number.

311342243113 is a deficient number, since it is larger than the sum of its proper divisors (28303840295).

311342243113 is a wasteful number, since it uses less digits than its factorization.

311342243113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28303840294.

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

It can be divided in two parts, 311342 and 243113, that added together give a palindrome (554455).

The spelling of 311342243113 in words is "three hundred eleven billion, three hundred forty-two million, two hundred forty-three thousand, one hundred thirteen".