231140412211 has 8 divisors (see below), whose sum is σ = 232513609104. Its totient is φ = 229771190880.

The previous prime is 231140412163. The next prime is 231140412277. The reversal of 231140412211 is 112214041132.

231140412211 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 cyclic number.

It is not a de Polignac number, because 231140412211 - 2¹⁷ = 231140281139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231140422211) 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 7 ways as a sum of consecutive naturals, for example, 877225 + ... + 1109866.

It is an arithmetic number, because the mean of its divisors is an integer number (29064201138).

Almost surely, 2^231140412211 is an apocalyptic number.

231140412211 is a deficient number, since it is larger than the sum of its proper divisors (1373196893).

231140412211 is a wasteful number, since it uses less digits than its factorization.

231140412211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1987781.

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 231140412211 its reverse (112214041132), we get a palindrome (343354453343).

The spelling of 231140412211 in words is "two hundred thirty-one billion, one hundred forty million, four hundred twelve thousand, two hundred eleven".