231301331200 has 108 divisors (see below), whose sum is σ = 572730531268. Its totient is φ = 92484403200.

The previous prime is 231301331147. The next prime is 231301331207. The reversal of 231301331200 is 2133103132.

It can be written as a sum of positive squares in 6 ways, for example, as 15960784896 + 215340546304 = 126336^2 + 464048^2 .

It is not an unprimeable number, because it can be changed into a prime (231301331207) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21505024 + ... + 21515776.

Almost surely, 2^231301331200 is an apocalyptic number.

231301331200 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 231301331200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (286365265634).

231301331200 is an abundant number, since it is smaller than the sum of its proper divisors (341429200068).

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

231301331200 is a wasteful number, since it uses less digits than its factorization.

231301331200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14140 (or 14121 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 231301331200 its reverse (2133103132), we get a palindrome (233434434332).

The spelling of 231301331200 in words is "two hundred thirty-one billion, three hundred one million, three hundred thirty-one thousand, two hundred".