2311243312 has 40 divisors (see below), whose sum is σ = 5143520000. Its totient is φ = 985545792.

The previous prime is 2311243309. The next prime is 2311243321. The reversal of 2311243312 is 2133421132.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29562 + ... + 74137.

It is an arithmetic number, because the mean of its divisors is an integer number (128588000).

Almost surely, 2^2311243312 is an apocalyptic number.

It is an amenable number.

2311243312 is an abundant number, since it is smaller than the sum of its proper divisors (2832276688).

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

2311243312 is a wasteful number, since it uses less digits than its factorization.

2311243312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103913 (or 103907 counting only the distinct ones).

The product of its digits is 864, while the sum is 22.

The square root of 2311243312 is about 48075.3919588806. The cubic root of 2311243312 is about 1322.1535309035.

Adding to 2311243312 its reverse (2133421132), we get a palindrome (4444664444).

The spelling of 2311243312 in words is "two billion, three hundred eleven million, two hundred forty-three thousand, three hundred twelve".