2003215013 has 4 divisors (see below), whose sum is σ = 2003313228. Its totient is φ = 2003116800.

The previous prime is 2003215003. The next prime is 2003215033. The reversal of 2003215013 is 3105123002.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 3105123002 = 2 ⋅1552561501.

It can be written as a sum of positive squares in 2 ways, for example, as 1997911204 + 5303809 = 44698^2 + 2303^2 .

It is a cyclic number.

It is not a de Polignac number, because 2003215013 - 2⁶ = 2003214949 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2003214982 and 2003215000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2003215003) 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, 5756 + ... + 63557.

It is an arithmetic number, because the mean of its divisors is an integer number (500828307).

Almost surely, 2^2003215013 is an apocalyptic number.

It is an amenable number.

2003215013 is a deficient number, since it is larger than the sum of its proper divisors (98215).

2003215013 is an equidigital number, since it uses as much as digits as its factorization.

2003215013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98214.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 2003215013 is about 44757.2900542470. The cubic root of 2003215013 is about 1260.5957988952.

Adding to 2003215013 its reverse (3105123002), we get a palindrome (5108338015).

The spelling of 2003215013 in words is "two billion, three million, two hundred fifteen thousand, thirteen".