100203000013 has 4 divisors (see below), whose sum is σ = 100206978300. Its totient is φ = 100199021728.

The previous prime is 100202999951. The next prime is 100203000017. The reversal of 100203000013 is 310000302001.

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

It can be written as a sum of positive squares in 2 ways, for example, as 30021453289 + 70181546724 = 173267^2 + 264918^2 .

It is a cyclic number.

It is not a de Polignac number, because 100203000013 - 2³³ = 91613065421 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 (100203000017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1951120 + ... + 2001817.

It is an arithmetic number, because the mean of its divisors is an integer number (25051744575).

Almost surely, 2^100203000013 is an apocalyptic number.

It is an amenable number.

100203000013 is a deficient number, since it is larger than the sum of its proper divisors (3978287).

100203000013 is an equidigital number, since it uses as much as digits as its factorization.

100203000013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3978286.

The product of its (nonzero) digits is 18, while the sum is 10.

Adding to 100203000013 its reverse (310000302001), we get a palindrome (410203302014).

The spelling of 100203000013 in words is "one hundred billion, two hundred three million, thirteen", and thus it is an aban number.