231130033200 has 480 divisors, whose sum is σ = 908555539200. Its totient is φ = 56029190400.

The previous prime is 231130033181. The next prime is 231130033231. The reversal of 231130033200 is 2330031132.

231130033200 is a `hidden beast` number, since 2 + 31 + 1 + 300 + 332 + 0 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 9610791 + ... + 9634809.

It is an arithmetic number, because the mean of its divisors is an integer number (1892824040).

Almost surely, 2^231130033200 is an apocalyptic number.

231130033200 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 231130033200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (454277769600).

231130033200 is an abundant number, since it is smaller than the sum of its proper divisors (677425506000).

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

231130033200 is a wasteful number, since it uses less digits than its factorization.

231130033200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24069 (or 24040 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 231130033200 its reverse (2330031132), we get a palindrome (233460064332).

The spelling of 231130033200 in words is "two hundred thirty-one billion, one hundred thirty million, thirty-three thousand, two hundred".