231022219032 has 96 divisors (see below), whose sum is σ = 722716609680. Its totient is φ = 65888686080.

The previous prime is 231022219019. The next prime is 231022219037. The reversal of 231022219032 is 230912220132.

It is a junction number, because it is equal to n+sod(n) for n = 231022218987 and 231022219005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231022219037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8565793 + ... + 8592720.

Almost surely, 2^231022219032 is an apocalyptic number.

231022219032 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

231022219032 is an abundant number, since it is smaller than the sum of its proper divisors (491694390648).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

231022219032 is a wasteful number, since it uses less digits than its factorization.

231022219032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17158553 (or 17158546 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

Adding to 231022219032 its reverse (230912220132), we get a palindrome (461934439164).

It can be divided in two parts, 231022 and 219032, that added together give a palindrome (450054).

The spelling of 231022219032 in words is "two hundred thirty-one billion, twenty-two million, two hundred nineteen thousand, thirty-two".