201331423122 has 8 divisors (see below), whose sum is σ = 402662846256. Its totient is φ = 67110474372.

The previous prime is 201331423121. The next prime is 201331423187. The reversal of 201331423122 is 221324133102.

201331423122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

201331423122 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 201331423092 and 201331423101.

It is not an unprimeable number, because it can be changed into a prime (201331423121) 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 3 ways as a sum of consecutive naturals, for example, 16777618588 + ... + 16777618599.

It is an arithmetic number, because the mean of its divisors is an integer number (50332855782).

Almost surely, 2^201331423122 is an apocalyptic number.

201331423122 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

201331423122 is a wasteful number, since it uses less digits than its factorization.

201331423122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33555237192.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 201331423122 its reverse (221324133102), we get a palindrome (422655556224).

The spelling of 201331423122 in words is "two hundred one billion, three hundred thirty-one million, four hundred twenty-three thousand, one hundred twenty-two".