312310232312 has 128 divisors (see below), whose sum is σ = 714782880000. Its totient is φ = 126344779776.

The previous prime is 312310232287. The next prime is 312310232321. The reversal of 312310232312 is 213232013213.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1903139 + ... + 2060717.

It is an arithmetic number, because the mean of its divisors is an integer number (5584241250).

Almost surely, 2^312310232312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 312310232312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (357391440000).

312310232312 is an abundant number, since it is smaller than the sum of its proper divisors (402472647688).

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

312310232312 is a wasteful number, since it uses less digits than its factorization.

312310232312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157693 (or 157689 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 312310232312 its reverse (213232013213), we get a palindrome (525542245525).

The spelling of 312310232312 in words is "three hundred twelve billion, three hundred ten million, two hundred thirty-two thousand, three hundred twelve".