311303231103 has 16 divisors (see below), whose sum is σ = 429590912000. Its totient is φ = 200310848640.

The previous prime is 311303231051. The next prime is 311303231119. The reversal of 311303231103 is 301132303113.

It is not a de Polignac number, because 311303231103 - 2⁹ = 311303230591 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 311303231103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311303211103) 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 15 ways as a sum of consecutive naturals, for example, 4380778 + ... + 4451271.

It is an arithmetic number, because the mean of its divisors is an integer number (26849432000).

Almost surely, 2^311303231103 is an apocalyptic number.

311303231103 is a deficient number, since it is larger than the sum of its proper divisors (118287680897).

311303231103 is a wasteful number, since it uses less digits than its factorization.

311303231103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8832462.

The product of its (nonzero) digits is 486, while the sum is 21.

Adding to 311303231103 its reverse (301132303113), we get a palindrome (612435534216).

The spelling of 311303231103 in words is "three hundred eleven billion, three hundred three million, two hundred thirty-one thousand, one hundred three".