2311342403200 has 96 divisors (see below), whose sum is σ = 5864055574860. Its totient is φ = 899549429760.

The previous prime is 2311342403179. The next prime is 2311342403213. The reversal of 2311342403200 is 23042431132.

It can be written as a sum of positive squares in 6 ways, for example, as 1452873443904 + 858468959296 = 1205352^2 + 926536^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9642337 + ... + 9879136.

Almost surely, 2^{2311342403200} is an apocalyptic number.

2311342403200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2311342403200 is an abundant number, since it is smaller than the sum of its proper divisors (3552713171660).

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

2311342403200 is a wasteful number, since it uses less digits than its factorization.

2311342403200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19521534 (or 19521517 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 2311342403200 its reverse (23042431132), we get a palindrome (2334384834332).

The spelling of 2311342403200 in words is "two trillion, three hundred eleven billion, three hundred forty-two million, four hundred three thousand, two hundred".