311441323213420 has 48 divisors (see below), whose sum is σ = 695546655723360. Its totient is φ = 116803170146304.

The previous prime is 311441323213399. The next prime is 311441323213421. The reversal of 311441323213420 is 24312323144113.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (311441323213421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4224614839 + ... + 4224688558.

It is an arithmetic number, because the mean of its divisors is an integer number (14490555327570).

Almost surely, 2^{311441323213420} is an apocalyptic number.

It is an amenable number.

311441323213420 is an abundant number, since it is smaller than the sum of its proper divisors (384105332509940).

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

311441323213420 is a wasteful number, since it uses less digits than its factorization.

311441323213420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8449303522 (or 8449303520 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 34.

Adding to 311441323213420 its reverse (24312323144113), we get a palindrome (335753646357533).

The spelling of 311441323213420 in words is "three hundred eleven trillion, four hundred forty-one billion, three hundred twenty-three million, two hundred thirteen thousand, four hundred twenty".