213001102243 has 8 divisors (see below), whose sum is σ = 216251055440. Its totient is φ = 209753232480.

The previous prime is 213001102231. The next prime is 213001102261. The reversal of 213001102243 is 342201100312.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-213001102243 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 213001102243.

It is not an unprimeable number, because it can be changed into a prime (213001102543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 314208 + ... + 724381.

It is an arithmetic number, because the mean of its divisors is an integer number (27031381930).

Almost surely, 2^213001102243 is an apocalyptic number.

213001102243 is a deficient number, since it is larger than the sum of its proper divisors (3249953197).

213001102243 is a wasteful number, since it uses less digits than its factorization.

213001102243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1041717.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 213001102243 its reverse (342201100312), we get a palindrome (555202202555).

The spelling of 213001102243 in words is "two hundred thirteen billion, one million, one hundred two thousand, two hundred forty-three".