311311323103 has 8 divisors (see below), whose sum is σ = 339708520656. Its totient is φ = 282930153600.

The previous prime is 311311323047. The next prime is 311311323109. The reversal of 311311323103 is 301323113113.

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 311311323103 - 2²⁵ = 311277768671 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 (311311323109) 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, 3966378 + ... + 4044103.

It is an arithmetic number, because the mean of its divisors is an integer number (42463565082).

Almost surely, 2^311311323103 is an apocalyptic number.

311311323103 is a deficient number, since it is larger than the sum of its proper divisors (28397197553).

311311323103 is a wasteful number, since it uses less digits than its factorization.

311311323103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8014025.

The product of its (nonzero) digits is 486, while the sum is 22.

Adding to 311311323103 its reverse (301323113113), we get a palindrome (612634436216).

The spelling of 311311323103 in words is "three hundred eleven billion, three hundred eleven million, three hundred twenty-three thousand, one hundred three".