2011310312 has 64 divisors (see below), whose sum is σ = 4265524800. Its totient is φ = 880714240.

The previous prime is 2011310299. The next prime is 2011310363. The reversal of 2011310312 is 2130131102.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2110028 + ... + 2110980.

It is an arithmetic number, because the mean of its divisors is an integer number (66648825).

Almost surely, 2^2011310312 is an apocalyptic number.

2011310312 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2011310312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2132762400).

2011310312 is an abundant number, since it is smaller than the sum of its proper divisors (2254214488).

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

2011310312 is a wasteful number, since it uses less digits than its factorization.

2011310312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1826 (or 1822 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 2011310312 is about 44847.6344080711. The cubic root of 2011310312 is about 1262.2916035728.

Adding to 2011310312 its reverse (2130131102), we get a palindrome (4141441414).

The spelling of 2011310312 in words is "two billion, eleven million, three hundred ten thousand, three hundred twelve".