213002213231 has 4 divisors (see below), whose sum is σ = 213110173752. Its totient is φ = 212894252712.

The previous prime is 213002213209. The next prime is 213002213243. The reversal of 213002213231 is 132312200312.

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 213002213231 - 2¹⁰ = 213002212207 is a prime.

It is a super-2 number, since 2×213002213231² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213022213231) 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, 53977301 + ... + 53981246.

It is an arithmetic number, because the mean of its divisors is an integer number (53277543438).

Almost surely, 2^213002213231 is an apocalyptic number.

213002213231 is a deficient number, since it is larger than the sum of its proper divisors (107960521).

213002213231 is a wasteful number, since it uses less digits than its factorization.

213002213231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107960520.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 213002213231 its reverse (132312200312), we get a palindrome (345314413543).

The spelling of 213002213231 in words is "two hundred thirteen billion, two million, two hundred thirteen thousand, two hundred thirty-one".