100434203320321 has 8 divisors (see below), whose sum is σ = 108164978316864. Its totient is φ = 92704152187920.

The previous prime is 100434203320307. The next prime is 100434203320327. The reversal of 100434203320321 is 123023302434001.

It is a happy number.

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

It is not a de Polignac number, because 100434203320321 - 2⁷ = 100434203320193 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 100434203320321.

It is not an unprimeable number, because it can be changed into a prime (100434203320327) 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, 180677845 + ... + 181232866.

It is an arithmetic number, because the mean of its divisors is an integer number (13520622289608).

Almost surely, 2^{100434203320321} is an apocalyptic number.

It is an amenable number.

100434203320321 is a deficient number, since it is larger than the sum of its proper divisors (7730774996543).

100434203320321 is a wasteful number, since it uses less digits than its factorization.

100434203320321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361932071.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 100434203320321 its reverse (123023302434001), we get a palindrome (223457505754322).

The spelling of 100434203320321 in words is "one hundred trillion, four hundred thirty-four billion, two hundred three million, three hundred twenty thousand, three hundred twenty-one".