231330033222 has 64 divisors (see below), whose sum is σ = 476149653504. Its totient is φ = 74899147680.

The previous prime is 231330033203. The next prime is 231330033353. The reversal of 231330033222 is 222330033132.

231330033222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 231330033192 and 231330033201.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 12967473 + ... + 12985299.

It is an arithmetic number, because the mean of its divisors is an integer number (7439838336).

Almost surely, 2^231330033222 is an apocalyptic number.

231330033222 is an abundant number, since it is smaller than the sum of its proper divisors (244819620282).

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

231330033222 is a wasteful number, since it uses less digits than its factorization.

231330033222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18353.

The product of its (nonzero) digits is 3888, while the sum is 24.

Adding to 231330033222 its reverse (222330033132), we get a palindrome (453660066354).

The spelling of 231330033222 in words is "two hundred thirty-one billion, three hundred thirty million, thirty-three thousand, two hundred twenty-two".