231742284318 has 24 divisors (see below), whose sum is σ = 502433753328. Its totient is φ = 77197355712.

The previous prime is 231742284313. The next prime is 231742284359. The reversal of 231742284318 is 813482247132.

231742284318 is a `hidden beast` number, since 2 + 3 + 17 + 42 + 284 + 318 = 666.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231742284311) 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, 4144155 + ... + 4199702.

It is an arithmetic number, because the mean of its divisors is an integer number (20934739722).

Almost surely, 2^231742284318 is an apocalyptic number.

231742284318 is an abundant number, since it is smaller than the sum of its proper divisors (270691469010).

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

231742284318 is a wasteful number, since it uses less digits than its factorization.

231742284318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8345408 (or 8345405 counting only the distinct ones).

The product of its digits is 516096, while the sum is 45.

The spelling of 231742284318 in words is "two hundred thirty-one billion, seven hundred forty-two million, two hundred eighty-four thousand, three hundred eighteen".