213130232003 has 4 divisors (see below), whose sum is σ = 229524865248. Its totient is φ = 196735598760.

The previous prime is 213130231991. The next prime is 213130232011. The reversal of 213130232003 is 300232031312.

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 213130232003 - 2⁸ = 213130231747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213130232023) 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, 8197316603 + ... + 8197316628.

It is an arithmetic number, because the mean of its divisors is an integer number (57381216312).

Almost surely, 2^213130232003 is an apocalyptic number.

213130232003 is a deficient number, since it is larger than the sum of its proper divisors (16394633245).

213130232003 is a wasteful number, since it uses less digits than its factorization.

213130232003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16394633244.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 213130232003 its reverse (300232031312), we get a palindrome (513362263315).

The spelling of 213130232003 in words is "two hundred thirteen billion, one hundred thirty million, two hundred thirty-two thousand, three".