311442412012120 has 16 divisors (see below), whose sum is σ = 700745427027360. Its totient is φ = 124576964804832.

The previous prime is 311442412012117. The next prime is 311442412012141. The reversal of 311442412012120 is 21210214244113.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 3893030150112 + ... + 3893030150191.

It is an arithmetic number, because the mean of its divisors is an integer number (43796589189210).

Almost surely, 2^{311442412012120} is an apocalyptic number.

It is an amenable number.

311442412012120 is an abundant number, since it is smaller than the sum of its proper divisors (389303015015240).

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

311442412012120 is a wasteful number, since it uses less digits than its factorization.

311442412012120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7786060300314 (or 7786060300310 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 28.

Adding to 311442412012120 its reverse (21210214244113), we get a palindrome (332652626256233).

The spelling of 311442412012120 in words is "three hundred eleven trillion, four hundred forty-two billion, four hundred twelve million, twelve thousand, one hundred twenty".