231135345244200 has 192 divisors, whose sum is σ = 717051540764160. Its totient is φ = 61590342021120.

The previous prime is 231135345244103. The next prime is 231135345244211. The reversal of 231135345244200 is 2442543531132.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10784076684 + ... + 10784098116.

It is an arithmetic number, because the mean of its divisors is an integer number (3734643441480).

Almost surely, 2^{231135345244200} is an apocalyptic number.

231135345244200 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 231135345244200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (358525770382080).

231135345244200 is an abundant number, since it is smaller than the sum of its proper divisors (485916195519960).

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

231135345244200 is a wasteful number, since it uses less digits than its factorization.

231135345244200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33956 (or 33947 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 39.

Adding to 231135345244200 its reverse (2442543531132), we get a palindrome (233577888775332).

The spelling of 231135345244200 in words is "two hundred thirty-one trillion, one hundred thirty-five billion, three hundred forty-five million, two hundred forty-four thousand, two hundred".