312313340112 has 80 divisors (see below), whose sum is σ = 819303037440. Its totient is φ = 102494088576.

The previous prime is 312313340083. The next prime is 312313340191. The reversal of 312313340112 is 211043313213.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6017023 + ... + 6068705.

It is an arithmetic number, because the mean of its divisors is an integer number (10241287968).

Almost surely, 2^312313340112 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 312313340112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (409651518720).

312313340112 is an abundant number, since it is smaller than the sum of its proper divisors (506989697328).

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

312313340112 is a wasteful number, since it uses less digits than its factorization.

312313340112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53640 (or 53634 counting only the distinct ones).

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

Adding to 312313340112 its reverse (211043313213), we get a palindrome (523356653325).

The spelling of 312313340112 in words is "three hundred twelve billion, three hundred thirteen million, three hundred forty thousand, one hundred twelve".