311313311311 has 8 divisors (see below), whose sum is σ = 326152031744. Its totient is φ = 296774363160.

The previous prime is 311313311279. The next prime is 311313311329. The reversal of 311313311311 is 113113313113.

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

It is a cyclic number.

It is not a de Polignac number, because 311313311311 - 2⁵ = 311313311279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311313311341) 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, 74940945 + ... + 74945098.

It is an arithmetic number, because the mean of its divisors is an integer number (40769003968).

Almost surely, 2^311313311311 is an apocalyptic number.

311313311311 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

311313311311 is a deficient number, since it is larger than the sum of its proper divisors (14838720433).

311313311311 is a wasteful number, since it uses less digits than its factorization.

311313311311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149886141.

The product of its digits is 243, while the sum is 22.

Adding to 311313311311 its reverse (113113313113), we get a palindrome (424426624424).

The spelling of 311313311311 in words is "three hundred eleven billion, three hundred thirteen million, three hundred eleven thousand, three hundred eleven".