231220201010 has 32 divisors (see below), whose sum is σ = 417003396480. Its totient is φ = 92308906368.

The previous prime is 231220200983. The next prime is 231220201013. The reversal of 231220201010 is 10102022132.

It is a happy number.

231220201010 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 (231220201013) 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 15 ways as a sum of consecutive naturals, for example, 12473609 + ... + 12492131.

It is an arithmetic number, because the mean of its divisors is an integer number (13031356140).

Almost surely, 2^231220201010 is an apocalyptic number.

231220201010 is a deficient number, since it is larger than the sum of its proper divisors (185783195470).

231220201010 is a wasteful number, since it uses less digits than its factorization.

231220201010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20882.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 231220201010 its reverse (10102022132), we get a palindrome (241322223142).

The spelling of 231220201010 in words is "two hundred thirty-one billion, two hundred twenty million, two hundred one thousand, ten".