204034113431221 has 8 divisors (see below), whose sum is σ = 204089123463680. Its totient is φ = 203979104910288.

The previous prime is 204034113431177. The next prime is 204034113431233. The reversal of 204034113431221 is 122134311430402.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 204034113431221 - 2²⁵ = 204034079876789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204034113431261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 302080135 + ... + 302754811.

It is an arithmetic number, because the mean of its divisors is an integer number (25511140432960).

Almost surely, 2^{204034113431221} is an apocalyptic number.

It is an amenable number.

204034113431221 is a deficient number, since it is larger than the sum of its proper divisors (55010032459).

204034113431221 is an equidigital number, since it uses as much as digits as its factorization.

204034113431221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 755763.

The product of its (nonzero) digits is 13824, while the sum is 31.

Adding to 204034113431221 its reverse (122134311430402), we get a palindrome (326168424861623).

The spelling of 204034113431221 in words is "two hundred four trillion, thirty-four billion, one hundred thirteen million, four hundred thirty-one thousand, two hundred twenty-one".