311101120101113 has 4 divisors (see below), whose sum is σ = 311102544377508. Its totient is φ = 311099695824720.

The previous prime is 311101120101077. The next prime is 311101120101193. The reversal of 311101120101113 is 311101021101113.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 19128271993744 + 291972848107369 = 4373588^2 + 17087213^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-311101120101113 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 311101120101091 and 311101120101100.

It is not an unprimeable number, because it can be changed into a prime (311101120101193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 711810506 + ... + 712247427.

It is an arithmetic number, because the mean of its divisors is an integer number (77775636094377).

Almost surely, 2^{311101120101113} is an apocalyptic number.

It is an amenable number.

311101120101113 is a deficient number, since it is larger than the sum of its proper divisors (1424276395).

311101120101113 is a wasteful number, since it uses less digits than its factorization.

311101120101113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1424276394.

The product of its (nonzero) digits is 18, while the sum is 17.

Adding to 311101120101113 its reverse (311101021101113), we get a palindrome (622202141202226).

The spelling of 311101120101113 in words is "three hundred eleven trillion, one hundred one billion, one hundred twenty million, one hundred one thousand, one hundred thirteen".