231132102211 has 4 divisors (see below), whose sum is σ = 231437429392. Its totient is φ = 230826775032.

The previous prime is 231132102199. The next prime is 231132102217. The reversal of 231132102211 is 112201231132.

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 231132102211 - 2⁷ = 231132102083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231132102217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 152662455 + ... + 152663968.

It is an arithmetic number, because the mean of its divisors is an integer number (57859357348).

Almost surely, 2^231132102211 is an apocalyptic number.

231132102211 is a deficient number, since it is larger than the sum of its proper divisors (305327181).

231132102211 is an equidigital number, since it uses as much as digits as its factorization.

231132102211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305327180.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 231132102211 its reverse (112201231132), we get a palindrome (343333333343).

The spelling of 231132102211 in words is "two hundred thirty-one billion, one hundred thirty-two million, one hundred two thousand, two hundred eleven".