311311102 has 4 divisors (see below), whose sum is σ = 466966656. Its totient is φ = 155655550.

The previous prime is 311311097. The next prime is 311311103. The reversal of 311311102 is 201113113.

311311102 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311311103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77827774 + ... + 77827777.

It is an arithmetic number, because the mean of its divisors is an integer number (116741664).

Almost surely, 2^311311102 is an apocalyptic number.

311311102 is a deficient number, since it is larger than the sum of its proper divisors (155655554).

311311102 is a wasteful number, since it uses less digits than its factorization.

311311102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155655553.

The product of its (nonzero) digits is 18, while the sum is 13.

The square root of 311311102 is about 17644.0103717947. The cubic root of 311311102 is about 677.7427329746.

Adding to 311311102 its reverse (201113113), we get a palindrome (512424215).

The spelling of 311311102 in words is "three hundred eleven million, three hundred eleven thousand, one hundred two".