100310121003 has 4 divisors (see below), whose sum is σ = 133746828008. Its totient is φ = 66873414000.

The previous prime is 100310120983. The next prime is 100310121019. The reversal of 100310121003 is 300121013001.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-100310121003 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 100310121003.

It is not an unprimeable number, because it can be changed into a prime (100310123003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16718353498 + ... + 16718353503.

It is an arithmetic number, because the mean of its divisors is an integer number (33436707002).

Almost surely, 2^100310121003 is an apocalyptic number.

100310121003 is a deficient number, since it is larger than the sum of its proper divisors (33436707005).

100310121003 is an equidigital number, since it uses as much as digits as its factorization.

100310121003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33436707004.

The product of its (nonzero) digits is 18, while the sum is 12.

Adding to 100310121003 its reverse (300121013001), we get a palindrome (400431134004).

The spelling of 100310121003 in words is "one hundred billion, three hundred ten million, one hundred twenty-one thousand, three".