231432203211 has 8 divisors (see below), whose sum is σ = 336628659264. Its totient is φ = 140261941320.

The previous prime is 231432203201. The next prime is 231432203213. The reversal of 231432203211 is 112302234132.

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

It is not a de Polignac number, because 231432203211 - 2¹⁰ = 231432202187 is a prime.

It is not an unprimeable number, because it can be changed into a prime (231432203213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3506548501 + ... + 3506548566.

It is an arithmetic number, because the mean of its divisors is an integer number (42078582408).

Almost surely, 2^231432203211 is an apocalyptic number.

231432203211 is a deficient number, since it is larger than the sum of its proper divisors (105196456053).

231432203211 is a wasteful number, since it uses less digits than its factorization.

231432203211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7013097081.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 231432203211 its reverse (112302234132), we get a palindrome (343734437343).

The spelling of 231432203211 in words is "two hundred thirty-one billion, four hundred thirty-two million, two hundred three thousand, two hundred eleven".