231132220210 has 16 divisors (see below), whose sum is σ = 422247519936. Its totient is φ = 91072993968.

The previous prime is 231132220177. The next prime is 231132220219. The reversal of 231132220210 is 12022231132.

231132220210 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (231132220219) 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, 172486062 + ... + 172487401.

It is an arithmetic number, because the mean of its divisors is an integer number (26390469996).

Almost surely, 2^231132220210 is an apocalyptic number.

231132220210 is a deficient number, since it is larger than the sum of its proper divisors (191115299726).

231132220210 is a wasteful number, since it uses less digits than its factorization.

231132220210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344973537.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 231132220210 its reverse (12022231132), we get a palindrome (243154451342).

The spelling of 231132220210 in words is "two hundred thirty-one billion, one hundred thirty-two million, two hundred twenty thousand, two hundred ten".