311043424340113 has 4 divisors (see below), whose sum is σ = 313281146817520. Its totient is φ = 308805701862708.

The previous prime is 311043424340107. The next prime is 311043424340141.

311043424340113 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-311043424340113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (311043424347113) 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, 1118861238495 + ... + 1118861238772.

It is an arithmetic number, because the mean of its divisors is an integer number (78320286704380).

Almost surely, 2^{311043424340113} is an apocalyptic number.

It is an amenable number.

311043424340113 is a deficient number, since it is larger than the sum of its proper divisors (2237722477407).

311043424340113 is a wasteful number, since it uses less digits than its factorization.

311043424340113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2237722477406.

The product of its (nonzero) digits is 41472, while the sum is 34.

The spelling of 311043424340113 in words is "three hundred eleven trillion, forty-three billion, four hundred twenty-four million, three hundred forty thousand, one hundred thirteen".