213030020003 has 4 divisors (see below), whose sum is σ = 213093671400. Its totient is φ = 212966368608.

The previous prime is 213030019997. The next prime is 213030020041. The reversal of 213030020003 is 300020030312.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 213030020003 - 2³⁰ = 211956278179 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 213030020003.

It is not an unprimeable number, because it can be changed into a prime (213030020053) 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, 31820678 + ... + 31827371.

It is an arithmetic number, because the mean of its divisors is an integer number (53273417850).

Almost surely, 2^213030020003 is an apocalyptic number.

213030020003 is a deficient number, since it is larger than the sum of its proper divisors (63651397).

213030020003 is an equidigital number, since it uses as much as digits as its factorization.

213030020003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63651396.

The product of its (nonzero) digits is 108, while the sum is 14.

Adding to 213030020003 its reverse (300020030312), we get a palindrome (513050050315).

The spelling of 213030020003 in words is "two hundred thirteen billion, thirty million, twenty thousand, three".