201331042404 has 12 divisors (see below), whose sum is σ = 469772432304. Its totient is φ = 67110347464.

The previous prime is 201331042403. The next prime is 201331042427. The reversal of 201331042404 is 404240133102.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (201331042403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8388793422 + ... + 8388793445.

It is an arithmetic number, because the mean of its divisors is an integer number (39147702692).

Almost surely, 2^201331042404 is an apocalyptic number.

It is an amenable number.

201331042404 is an abundant number, since it is smaller than the sum of its proper divisors (268441389900).

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

201331042404 is a wasteful number, since it uses less digits than its factorization.

201331042404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16777586874 (or 16777586872 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 201331042404 its reverse (404240133102), we get a palindrome (605571175506).

The spelling of 201331042404 in words is "two hundred one billion, three hundred thirty-one million, forty-two thousand, four hundred four".