231241432211 has 8 divisors (see below), whose sum is σ = 235397839824. Its totient is φ = 227096817120.

The previous prime is 231241432189. The next prime is 231241432217. The reversal of 231241432211 is 112234142132.

It is a happy number.

231241432211 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 a de Polignac number, because none of the positive numbers 2^k-231241432211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231241432217) 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, 2908556 + ... + 2987001.

It is an arithmetic number, because the mean of its divisors is an integer number (29424729978).

Almost surely, 2^231241432211 is an apocalyptic number.

231241432211 is a deficient number, since it is larger than the sum of its proper divisors (4156407613).

231241432211 is an equidigital number, since it uses as much as digits as its factorization.

231241432211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5896261.

The product of its digits is 2304, while the sum is 26.

Adding to 231241432211 its reverse (112234142132), we get a palindrome (343475574343).

The spelling of 231241432211 in words is "two hundred thirty-one billion, two hundred forty-one million, four hundred thirty-two thousand, two hundred eleven".