231341131211 has 4 divisors (see below), whose sum is σ = 232515451872. Its totient is φ = 230166810552.

The previous prime is 231341131193. The next prime is 231341131213. The reversal of 231341131211 is 112131143132.

231341131211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 231341131211 - 2¹⁰ = 231341130187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231341131213) 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, 587160035 + ... + 587160428.

It is an arithmetic number, because the mean of its divisors is an integer number (58128862968).

Almost surely, 2^231341131211 is an apocalyptic number.

231341131211 is a deficient number, since it is larger than the sum of its proper divisors (1174320661).

231341131211 is a wasteful number, since it uses less digits than its factorization.

231341131211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1174320660.

The product of its digits is 432, while the sum is 23.

Adding to 231341131211 its reverse (112131143132), we get a palindrome (343472274343).

The spelling of 231341131211 in words is "two hundred thirty-one billion, three hundred forty-one million, one hundred thirty-one thousand, two hundred eleven".