344431100221 has 8 divisors (see below), whose sum is σ = 387053009280. Its totient is φ = 304113078192.

The previous prime is 344431100183. The next prime is 344431100249. The reversal of 344431100221 is 122001134443.

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 344431100221 - 2¹⁷ = 344430969149 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 (344431100261) 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, 575971441 + ... + 575972038.

It is an arithmetic number, because the mean of its divisors is an integer number (48381626160).

Almost surely, 2^344431100221 is an apocalyptic number.

It is an amenable number.

344431100221 is a deficient number, since it is larger than the sum of its proper divisors (42621909059).

344431100221 is a wasteful number, since it uses less digits than its factorization.

344431100221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1151943515.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 344431100221 its reverse (122001134443), we get a palindrome (466432234664).

The spelling of 344431100221 in words is "three hundred forty-four billion, four hundred thirty-one million, one hundred thousand, two hundred twenty-one".