213000003001 has 4 divisors (see below), whose sum is σ = 213031796004. Its totient is φ = 212968210000.

The previous prime is 213000002983. The next prime is 213000003011. The reversal of 213000003001 is 100300000312.

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 164961884025 + 48038118976 = 406155^2 + 219176^2 .

It is a cyclic number.

It is not a de Polignac number, because 213000003001 - 2¹¹ = 213000000953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213000003011) 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, 15886450 + ... + 15899851.

It is an arithmetic number, because the mean of its divisors is an integer number (53257949001).

Almost surely, 2^213000003001 is an apocalyptic number.

It is an amenable number.

213000003001 is a deficient number, since it is larger than the sum of its proper divisors (31793003).

213000003001 is an equidigital number, since it uses as much as digits as its factorization.

213000003001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31793002.

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

Adding to 213000003001 its reverse (100300000312), we get a palindrome (313300003313).

The spelling of 213000003001 in words is "two hundred thirteen billion, three thousand, one".