312313201112 has 128 divisors (see below), whose sum is σ = 668726280000. Its totient is φ = 135437568000.

The previous prime is 312313201093. The next prime is 312313201147. The reversal of 312313201112 is 211102313213.

It is a happy number.

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 31 ways as a sum of consecutive naturals, for example, 182745314 + ... + 182747022.

Almost surely, 2^312313201112 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 312313201112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (334363140000).

312313201112 is an abundant number, since it is smaller than the sum of its proper divisors (356413078888).

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

312313201112 is a wasteful number, since it uses less digits than its factorization.

312313201112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2565 (or 2561 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 312313201112 its reverse (211102313213), we get a palindrome (523415514325).

The spelling of 312313201112 in words is "three hundred twelve billion, three hundred thirteen million, two hundred one thousand, one hundred twelve".