2311201200 has 240 divisors, whose sum is σ = 9230766336. Its totient is φ = 480230400.

The previous prime is 2311201147. The next prime is 2311201219. The reversal of 2311201200 is 21021132.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 79894 + ... + 104906.

Almost surely, 2^2311201200 is an apocalyptic number.

2311201200 is a gapful number since it is divisible by the number (20) 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 2311201200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4615383168).

2311201200 is an abundant number, since it is smaller than the sum of its proper divisors (6919565136).

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

2311201200 is a wasteful number, since it uses less digits than its factorization.

2311201200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25052 (or 25041 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 2311201200 is about 48074.9539781371. The cubic root of 2311201200 is about 1322.1455007570.

Adding to 2311201200 its reverse (21021132), we get a palindrome (2332222332).

The spelling of 2311201200 in words is "two billion, three hundred eleven million, two hundred one thousand, two hundred".