2111310312 has 64 divisors (see below), whose sum is σ = 5424122880. Its totient is φ = 684510912.

The previous prime is 2111310281. The next prime is 2111310319. The reversal of 2111310312 is 2130131112.

It is a happy number.

2111310312 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 2111310291 and 2111310300.

It is not an unprimeable number, because it can be changed into a prime (2111310319) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 178123 + ... + 189605.

It is an arithmetic number, because the mean of its divisors is an integer number (84751920).

Almost surely, 2^2111310312 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 2111310312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2712061440).

2111310312 is an abundant number, since it is smaller than the sum of its proper divisors (3312812568).

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

2111310312 is a wasteful number, since it uses less digits than its factorization.

2111310312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11702 (or 11698 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 2111310312 is about 45948.9968552089. The cubic root of 2111310312 is about 1282.8740578327.

Adding to 2111310312 its reverse (2130131112), we get a palindrome (4241441424).

The spelling of 2111310312 in words is "two billion, one hundred eleven million, three hundred ten thousand, three hundred twelve".