231043280218 has 8 divisors (see below), whose sum is σ = 347679277920. Its totient is φ = 115150187580.

The previous prime is 231043280203. The next prime is 231043280219. The reversal of 231043280218 is 812082340132.

It is a happy number.

231043280218 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-4 number, since 4×231043280218⁴ (a number of 47 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (231043280219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 185725488 + ... + 185726731.

It is an arithmetic number, because the mean of its divisors is an integer number (43459909740).

Almost surely, 2^231043280218 is an apocalyptic number.

231043280218 is a deficient number, since it is larger than the sum of its proper divisors (116635997702).

231043280218 is a wasteful number, since it uses less digits than its factorization.

231043280218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371452532.

The product of its (nonzero) digits is 18432, while the sum is 34.

The spelling of 231043280218 in words is "two hundred thirty-one billion, forty-three million, two hundred eighty thousand, two hundred eighteen".