1003000213 has 4 divisors (see below), whose sum is σ = 1003889740. Its totient is φ = 1002110688.

The previous prime is 1003000211. The next prime is 1003000223. The reversal of 1003000213 is 3120003001.

1003000213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 591802929 + 411197284 = 24327^2 + 20278^2 .

It is a cyclic number.

It is not a de Polignac number, because 1003000213 - 2¹ = 1003000211 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 1003000213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1003000211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 443070 + ... + 445327.

It is an arithmetic number, because the mean of its divisors is an integer number (250972435).

Almost surely, 2^1003000213 is an apocalyptic number.

It is an amenable number.

1003000213 is a deficient number, since it is larger than the sum of its proper divisors (889527).

1003000213 is an equidigital number, since it uses as much as digits as its factorization.

1003000213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 889526.

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

The square root of 1003000213 is about 31670.1786070114. The cubic root of 1003000213 is about 1000.9990725217. Note that the first 3 decimals are identical.

Adding to 1003000213 its reverse (3120003001), we get a palindrome (4123003214).

The spelling of 1003000213 in words is "one billion, three million, two hundred thirteen", and thus it is an aban number.