311102120113 has 8 divisors (see below), whose sum is σ = 312269406336. Its totient is φ = 309934976400.

The previous prime is 311102120107. The next prime is 311102120117. The reversal of 311102120113 is 311021201113.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-311102120113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (311102120117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6731103 + ... + 6777163.

It is an arithmetic number, because the mean of its divisors is an integer number (39033675792).

Almost surely, 2^311102120113 is an apocalyptic number.

It is an amenable number.

311102120113 is a deficient number, since it is larger than the sum of its proper divisors (1167286223).

311102120113 is a wasteful number, since it uses less digits than its factorization.

311102120113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71255.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 311102120113 its reverse (311021201113), we get a palindrome (622123321226).

The spelling of 311102120113 in words is "three hundred eleven billion, one hundred two million, one hundred twenty thousand, one hundred thirteen".