2313113031012 has 144 divisors (see below), whose sum is σ = 6338352229440. Its totient is φ = 654588345600.

The previous prime is 2313113031001. The next prime is 2313113031037. The reversal of 2313113031012 is 2101303113132.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 2313113031012.

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 47 ways as a sum of consecutive naturals, for example, 251941062 + ... + 251950242.

Almost surely, 2^{2313113031012} 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 2313113031012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3169176114720).

2313113031012 is an abundant number, since it is smaller than the sum of its proper divisors (4025239198428).

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

2313113031012 is a wasteful number, since it uses less digits than its factorization.

2313113031012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13242 (or 13233 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 2313113031012 its reverse (2101303113132), we get a palindrome (4414416144144).

The spelling of 2313113031012 in words is "two trillion, three hundred thirteen billion, one hundred thirteen million, thirty-one thousand, twelve".