311320111003 has 8 divisors (see below), whose sum is σ = 346847938560. Its totient is φ = 276996616680.

The previous prime is 311320111001. The next prime is 311320111093. The reversal of 311320111003 is 300111023113.

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 311320111003 - 2¹ = 311320111001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (311320111001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 301082763 + ... + 301083796.

It is an arithmetic number, because the mean of its divisors is an integer number (43355992320).

Almost surely, 2^311320111003 is an apocalyptic number.

311320111003 is a deficient number, since it is larger than the sum of its proper divisors (35527827557).

311320111003 is a wasteful number, since it uses less digits than its factorization.

311320111003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 602166617.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 311320111003 its reverse (300111023113), we get a palindrome (611431134116).

The spelling of 311320111003 in words is "three hundred eleven billion, three hundred twenty million, one hundred eleven thousand, three".