100032321 has 8 divisors (see below), whose sum is σ = 140396320. Its totient is φ = 63178272.

The previous prime is 100032311. The next prime is 100032329. The reversal of 100032321 is 123230001.

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 100032321 - 2⁹ = 100031809 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 100032297 and 100032306.

It is not an unprimeable number, because it can be changed into a prime (100032329) 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, 877420 + ... + 877533.

It is an arithmetic number, because the mean of its divisors is an integer number (17549540).

Almost surely, 2^100032321 is an apocalyptic number.

It is an amenable number.

100032321 is a deficient number, since it is larger than the sum of its proper divisors (40363999).

100032321 is a wasteful number, since it uses less digits than its factorization.

100032321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1754975.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 100032321 is about 10001.6159194402. The cubic root of 100032321 is about 464.2088849056.

Adding to 100032321 its reverse (123230001), we get a palindrome (223262322).

The spelling of 100032321 in words is "one hundred million, thirty-two thousand, three hundred twenty-one".