100508816321 has 8 divisors (see below), whose sum is σ = 106426982880. Its totient is φ = 94591303488.

The previous prime is 100508816297. The next prime is 100508816323. The reversal of 100508816321 is 123618805001.

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 100508816321 - 2⁶ = 100508816257 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (100508816323) 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, 172910 + ... + 480536.

It is an arithmetic number, because the mean of its divisors is an integer number (13303372860).

Almost surely, 2^100508816321 is an apocalyptic number.

It is an amenable number.

100508816321 is a deficient number, since it is larger than the sum of its proper divisors (5918166559).

100508816321 is a wasteful number, since it uses less digits than its factorization.

100508816321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326863.

The product of its (nonzero) digits is 11520, while the sum is 35.

The spelling of 100508816321 in words is "one hundred billion, five hundred eight million, eight hundred sixteen thousand, three hundred twenty-one".