2331312310212 has 48 divisors (see below), whose sum is σ = 5499467991360. Its totient is φ = 768593469952.

The previous prime is 2331312310207. The next prime is 2331312310231. The reversal of 2331312310212 is 2120132131332.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 679137 + ... + 2263592.

It is an arithmetic number, because the mean of its divisors is an integer number (114572249820).

Almost surely, 2^{2331312310212} is an apocalyptic number.

It is an amenable number.

2331312310212 is an abundant number, since it is smaller than the sum of its proper divisors (3168155681148).

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

2331312310212 is a wasteful number, since it uses less digits than its factorization.

2331312310212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2943460 (or 2943458 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 2331312310212 its reverse (2120132131332), we get a palindrome (4451444441544).

The spelling of 2331312310212 in words is "two trillion, three hundred thirty-one billion, three hundred twelve million, three hundred ten thousand, two hundred twelve".