100303234421 has 16 divisors (see below), whose sum is σ = 110099606400. Its totient is φ = 90805465920.

The previous prime is 100303234363. The next prime is 100303234453. The reversal of 100303234421 is 124432303001.

It is not a de Polignac number, because 100303234421 - 2²⁶ = 100236125557 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100303236421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1841030 + ... + 1894728.

It is an arithmetic number, because the mean of its divisors is an integer number (6881225400).

Almost surely, 2^100303234421 is an apocalyptic number.

It is an amenable number.

100303234421 is a deficient number, since it is larger than the sum of its proper divisors (9796371979).

100303234421 is a wasteful number, since it uses less digits than its factorization.

100303234421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56476.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 100303234421 its reverse (124432303001), we get a palindrome (224735537422).

The spelling of 100303234421 in words is "one hundred billion, three hundred three million, two hundred thirty-four thousand, four hundred twenty-one".