100003203321 has 32 divisors (see below), whose sum is σ = 152758960128. Its totient is φ = 57004956480.

The previous prime is 100003203317. The next prime is 100003203331. The reversal of 100003203321 is 123302300001.

It is not a de Polignac number, because 100003203321 - 2² = 100003203317 is a prime.

It is a super-2 number, since 2×100003203321² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 100003203321.

It is not an unprimeable number, because it can be changed into a prime (100003203301) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16071991 + ... + 16078211.

It is an arithmetic number, because the mean of its divisors is an integer number (4773717504).

Almost surely, 2^100003203321 is an apocalyptic number.

It is an amenable number.

100003203321 is a deficient number, since it is larger than the sum of its proper divisors (52755756807).

100003203321 is an equidigital number, since it uses as much as digits as its factorization.

100003203321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7981.

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 100003203321 its reverse (123302300001), we get a palindrome (223305503322).

The spelling of 100003203321 in words is "one hundred billion, three million, two hundred three thousand, three hundred twenty-one".