311224303310140 has 48 divisors (see below), whose sum is σ = 754926973172064. Its totient is φ = 106515269580800.

The previous prime is 311224303310083. The next prime is 311224303310149. The reversal of 311224303310140 is 41013303422113.

It is a super-2 number, since 2×311224303310140² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 311224303310099 and 311224303310108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311224303310149) 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, 41607523441 + ... + 41607530920.

It is an arithmetic number, because the mean of its divisors is an integer number (15727645274418).

Almost surely, 2^{311224303310140} is an apocalyptic number.

It is an amenable number.

311224303310140 is an abundant number, since it is smaller than the sum of its proper divisors (443702669861924).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

311224303310140 is a wasteful number, since it uses less digits than its factorization.

311224303310140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83215054398 (or 83215054396 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 311224303310140 its reverse (41013303422113), we get a palindrome (352237606732253).

The spelling of 311224303310140 in words is "three hundred eleven trillion, two hundred twenty-four billion, three hundred three million, three hundred ten thousand, one hundred forty".