213102003 has 8 divisors (see below), whose sum is σ = 284539600. Its totient is φ = 141866208.

The previous prime is 213101983. The next prime is 213102013. The reversal of 213102003 is 300201312.

It is a happy number.

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

It is not a de Polignac number, because 213102003 - 2⁵ = 213101971 is a prime.

It is a super-2 number, since 2×213102003² = 90824927365224018, which contains 22 as substring.

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 213102003.

It is not an unprimeable number, because it can be changed into a prime (213102013) 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 7 ways as a sum of consecutive naturals, for example, 47968 + ... + 52221.

It is an arithmetic number, because the mean of its divisors is an integer number (35567450).

Almost surely, 2^213102003 is an apocalyptic number.

213102003 is a deficient number, since it is larger than the sum of its proper divisors (71437597).

213102003 is a wasteful number, since it uses less digits than its factorization.

213102003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100901.

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

The square root of 213102003 is about 14598.0136662493. The cubic root of 213102003 is about 597.3045787507.

Adding to 213102003 its reverse (300201312), we get a palindrome (513303315).

The spelling of 213102003 in words is "two hundred thirteen million, one hundred two thousand, three".