100173203135 has 16 divisors (see below), whose sum is σ = 121949079552. Its totient is φ = 78978631200.

The previous prime is 100173203089. The next prime is 100173203209. The reversal of 100173203135 is 531302371001.

It is not a de Polignac number, because 100173203135 - 2¹⁰ = 100173202111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 865352 + ... + 974258.

It is an arithmetic number, because the mean of its divisors is an integer number (7621817472).

Almost surely, 2^100173203135 is an apocalyptic number.

100173203135 is a deficient number, since it is larger than the sum of its proper divisors (21775876417).

100173203135 is a wasteful number, since it uses less digits than its factorization.

100173203135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111574.

The product of its (nonzero) digits is 1890, while the sum is 26.

Adding to 100173203135 its reverse (531302371001), we get a palindrome (631475574136).

The spelling of 100173203135 in words is "one hundred billion, one hundred seventy-three million, two hundred three thousand, one hundred thirty-five".