1002003213 has 8 divisors (see below), whose sum is σ = 1361212128. Its totient is φ = 655398224.

The previous prime is 1002003187. The next prime is 1002003227. The reversal of 1002003213 is 3123002001.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1002003213 - 2¹⁴ = 1001986829 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002003283) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3150795 + ... + 3151112.

It is an arithmetic number, because the mean of its divisors is an integer number (170151516).

Almost surely, 2^1002003213 is an apocalyptic number.

It is an amenable number.

1002003213 is a deficient number, since it is larger than the sum of its proper divisors (359208915).

1002003213 is an equidigital number, since it uses as much as digits as its factorization.

1002003213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6301963.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 1002003213 is about 31654.4343339128. The cubic root of 1002003213 is about 1000.6672922886.

Adding to 1002003213 its reverse (3123002001), we get a palindrome (4125005214).

The spelling of 1002003213 in words is "one billion, two million, three thousand, two hundred thirteen".