231043333230 has 112 divisors (see below), whose sum is σ = 626123790864. Its totient is φ = 61355439360.

The previous prime is 231043333223. The next prime is 231043333231. The reversal of 231043333230 is 32333340132.

It is a happy number.

231043333230 is a `hidden beast` number, since 2 + 3 + 1 + 0 + 4 + 333 + 323 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 231043333194 and 231043333203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231043333231) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 1691137 + ... + 1822643.

Almost surely, 2^231043333230 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 231043333230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (313061895432).

231043333230 is an abundant number, since it is smaller than the sum of its proper divisors (395080457634).

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

231043333230 is a wasteful number, since it uses less digits than its factorization.

231043333230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131773 (or 131758 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 27.

Adding to 231043333230 its reverse (32333340132), we get a palindrome (263376673362).

The spelling of 231043333230 in words is "two hundred thirty-one billion, forty-three million, three hundred thirty-three thousand, two hundred thirty".