13203001001 has 4 divisors (see below), whose sum is σ = 13231892052. Its totient is φ = 13174109952.

The previous prime is 13203000997. The next prime is 13203001037. The reversal of 13203001001 is 10010030231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10010030231 = 31 ⋅322904201.

It can be written as a sum of positive squares in 2 ways, for example, as 10115531776 + 3087469225 = 100576^2 + 55565^2 .

It is a cyclic number.

It is not a de Polignac number, because 13203001001 - 2² = 13203000997 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13203000001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14444840 + ... + 14445753.

It is an arithmetic number, because the mean of its divisors is an integer number (3307973013).

Almost surely, 2^13203001001 is an apocalyptic number.

It is an amenable number.

13203001001 is a deficient number, since it is larger than the sum of its proper divisors (28891051).

13203001001 is an equidigital number, since it uses as much as digits as its factorization.

13203001001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28891050.

The product of its (nonzero) digits is 18, while the sum is 11.

Adding to 13203001001 its reverse (10010030231), we get a palindrome (23213031232).

The spelling of 13203001001 in words is "thirteen billion, two hundred three million, one thousand, one".