131233231200 has 144 divisors (see below), whose sum is σ = 427988138256. Its totient is φ = 34928025600.

The previous prime is 131233231123. The next prime is 131233231201. The reversal of 131233231200 is 2132332131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131233231201) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1197924 + ... + 1302876.

It is an arithmetic number, because the mean of its divisors is an integer number (2972139849).

Almost surely, 2^131233231200 is an apocalyptic number.

131233231200 is a gapful number since it is divisible by the number (10) 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 131233231200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (213994069128).

131233231200 is an abundant number, since it is smaller than the sum of its proper divisors (296754907056).

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

131233231200 is a wasteful number, since it uses less digits than its factorization.

131233231200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105497 (or 105484 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 131233231200 its reverse (2132332131), we get a palindrome (133365563331).

The spelling of 131233231200 in words is "one hundred thirty-one billion, two hundred thirty-three million, two hundred thirty-one thousand, two hundred".