231231040240200 has 3072 divisors, whose sum is σ = 1006562775859200. Its totient is φ = 42361159680000.

The previous prime is 231231040240181. The next prime is 231231040240289. The reversal of 231231040240200 is 2042040132132.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 767 ways as a sum of consecutive naturals, for example, 822886264060 + ... + 822886264340.

It is an arithmetic number, because the mean of its divisors is an integer number (327657153600).

Almost surely, 2^{231231040240200} is an apocalyptic number.

231231040240200 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 231231040240200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (503281387929600).

231231040240200 is an abundant number, since it is smaller than the sum of its proper divisors (775331735619000).

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

231231040240200 is a wasteful number, since it uses less digits than its factorization.

231231040240200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 784 (or 775 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 231231040240200 its reverse (2042040132132), we get a palindrome (233273080372332).

The spelling of 231231040240200 in words is "two hundred thirty-one trillion, two hundred thirty-one billion, forty million, two hundred forty thousand, two hundred".