213312211003 has 4 divisors (see below), whose sum is σ = 213315754288. Its totient is φ = 213308667720.

The previous prime is 213312210961. The next prime is 213312211027. The reversal of 213312211003 is 300112213312.

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 213312211003 - 2²⁹ = 212775340091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213312215003) 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, 1679751 + ... + 1802272.

It is an arithmetic number, because the mean of its divisors is an integer number (53328938572).

Almost surely, 2^213312211003 is an apocalyptic number.

213312211003 is a deficient number, since it is larger than the sum of its proper divisors (3543285).

213312211003 is an equidigital number, since it uses as much as digits as its factorization.

213312211003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3543284.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 213312211003 its reverse (300112213312), we get a palindrome (513424424315).

The spelling of 213312211003 in words is "two hundred thirteen billion, three hundred twelve million, two hundred eleven thousand, three".