100034321 has 4 divisors (see below), whose sum is σ = 101005632. Its totient is φ = 99063012.

The previous prime is 100034317. The next prime is 100034357. The reversal of 100034321 is 123430001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 100034321 - 2² = 100034317 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100034296 and 100034305.

It is not an unprimeable number, because it can be changed into a prime (100034371) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 485501 + ... + 485706.

It is an arithmetic number, because the mean of its divisors is an integer number (25251408).

Almost surely, 2^100034321 is an apocalyptic number.

It is an amenable number.

100034321 is a deficient number, since it is larger than the sum of its proper divisors (971311).

100034321 is an equidigital number, since it uses as much as digits as its factorization.

100034321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 971310.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 100034321 is about 10001.7159027839. The cubic root of 100034321 is about 464.2119786109.

Adding to 100034321 its reverse (123430001), we get a palindrome (223464322).

The spelling of 100034321 in words is "one hundred million, thirty-four thousand, three hundred twenty-one".