231242143341330 has 144 divisors (see below), whose sum is σ = 683643772670040. Its totient is φ = 54125642672640.

The previous prime is 231242143341299. The next prime is 231242143341367. The reversal of 231242143341330 is 33143341242132.

231242143341330 is a `hidden beast` number, since 2 + 3 + 1 + 24 + 214 + 3 + 3 + 413 + 3 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 121603087609641 + 109639055731689 = 11027379^2 + 10470867^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 365793787 + ... + 366425406.

Almost surely, 2^{231242143341330} is an apocalyptic number.

231242143341330 is an abundant number, since it is smaller than the sum of its proper divisors (452401629328710).

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

231242143341330 is a wasteful number, since it uses less digits than its factorization.

231242143341330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 732219257 (or 732219243 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 36.

Adding to 231242143341330 its reverse (33143341242132), we get a palindrome (264385484583462).

The spelling of 231242143341330 in words is "two hundred thirty-one trillion, two hundred forty-two billion, one hundred forty-three million, three hundred forty-one thousand, three hundred thirty".