2331311310312 has 16 divisors (see below), whose sum is σ = 5828278275840. Its totient is φ = 777103770096.

The previous prime is 2331311310283. The next prime is 2331311310319. The reversal of 2331311310312 is 2130131131332.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 97137971263 = 2331311310312 / (2 + 3 + 3 + 1 + 3 + 1 + 1 + 3 + 1 + 0 + 3 + 1 + 2).

It is not an unprimeable number, because it can be changed into a prime (2331311310319) 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 3 ways as a sum of consecutive naturals, for example, 48568985608 + ... + 48568985655.

It is an arithmetic number, because the mean of its divisors is an integer number (364267392240).

Almost surely, 2^{2331311310312} is an apocalyptic number.

It is an amenable number.

2331311310312 is an abundant number, since it is smaller than the sum of its proper divisors (3496966965528).

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

2331311310312 is a wasteful number, since it uses less digits than its factorization.

2331311310312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97137971272 (or 97137971268 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 24.

Adding to 2331311310312 its reverse (2130131131332), we get a palindrome (4461442441644).

The spelling of 2331311310312 in words is "two trillion, three hundred thirty-one billion, three hundred eleven million, three hundred ten thousand, three hundred twelve".