311442130121112 has 96 divisors (see below), whose sum is σ = 852208509952800. Its totient is φ = 102740944914432.

The previous prime is 311442130121107. The next prime is 311442130121113. The reversal of 311442130121112 is 211121031244113.

311442130121112 is a `hidden beast` number, since 3 + 1 + 1 + 4 + 421 + 3 + 0 + 121 + 112 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311442130121113) 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 23 ways as a sum of consecutive naturals, for example, 258918418 + ... + 260118494.

It is an arithmetic number, because the mean of its divisors is an integer number (8877171978675).

Almost surely, 2^{311442130121112} is an apocalyptic number.

It is an amenable number.

311442130121112 is an abundant number, since it is smaller than the sum of its proper divisors (540766379831688).

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

311442130121112 is a wasteful number, since it uses less digits than its factorization.

311442130121112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1237345 (or 1237338 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

Adding to 311442130121112 its reverse (211121031244113), we get a palindrome (522563161365225).

The spelling of 311442130121112 in words is "three hundred eleven trillion, four hundred forty-two billion, one hundred thirty million, one hundred twenty-one thousand, one hundred twelve".