2311200312 has 32 divisors (see below), whose sum is σ = 5779211280. Its totient is φ = 770238720.

The previous prime is 2311200293. The next prime is 2311200313. The reversal of 2311200312 is 2130021132.

It is a junction number, because it is equal to n+sod(n) for n = 2311200291 and 2311200300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2311200313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 179862 + ... + 192282.

Almost surely, 2^2311200312 is an apocalyptic number.

It is an amenable number.

2311200312 is an abundant number, since it is smaller than the sum of its proper divisors (3468010968).

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

2311200312 is a wasteful number, since it uses less digits than its factorization.

2311200312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20183 (or 20179 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 2311200312 is about 48074.9447425579. The cubic root of 2311200312 is about 1322.1453314272.

Adding to 2311200312 its reverse (2130021132), we get a palindrome (4441221444).

The spelling of 2311200312 in words is "two billion, three hundred eleven million, two hundred thousand, three hundred twelve".