100434021003 has 6 divisors (see below), whose sum is σ = 145071363684. Its totient is φ = 66956013996.

The previous prime is 100434020989. The next prime is 100434021053. The reversal of 100434021003 is 300120434001.

It is not a de Polignac number, because 100434021003 - 2⁵ = 100434020971 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100434021053) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5579667825 + ... + 5579667842.

It is an arithmetic number, because the mean of its divisors is an integer number (24178560614).

Almost surely, 2^100434021003 is an apocalyptic number.

100434021003 is a deficient number, since it is larger than the sum of its proper divisors (44637342681).

100434021003 is a wasteful number, since it uses less digits than its factorization.

100434021003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11159335673 (or 11159335670 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 100434021003 its reverse (300120434001), we get a palindrome (400554455004).

The spelling of 100434021003 in words is "one hundred billion, four hundred thirty-four million, twenty-one thousand, three".