100312403003 has 16 divisors (see below), whose sum is σ = 102718562496. Its totient is φ = 97933587840.

The previous prime is 100312402969. The next prime is 100312403033. The reversal of 100312403003 is 300304213001.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 100312403003 - 2¹⁰ = 100312401979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100312403033) 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, 4432625 + ... + 4455197.

It is an arithmetic number, because the mean of its divisors is an integer number (6419910156).

Almost surely, 2^100312403003 is an apocalyptic number.

100312403003 is a deficient number, since it is larger than the sum of its proper divisors (2406159493).

100312403003 is a wasteful number, since it uses less digits than its factorization.

100312403003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23174.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 100312403003 its reverse (300304213001), we get a palindrome (400616616004).

The spelling of 100312403003 in words is "one hundred billion, three hundred twelve million, four hundred three thousand, three".