213522430051 has 8 divisors (see below), whose sum is σ = 246185154144. Its totient is φ = 181399585920.

The previous prime is 213522429959. The next prime is 213522430073. The reversal of 213522430051 is 150034225312.

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

It is not a de Polignac number, because 213522430051 - 2¹¹ = 213522428003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213522430651) 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, 134969140 + ... + 134970721.

It is an arithmetic number, because the mean of its divisors is an integer number (30773144268).

Almost surely, 2^213522430051 is an apocalyptic number.

213522430051 is a deficient number, since it is larger than the sum of its proper divisors (32662724093).

213522430051 is a wasteful number, since it uses less digits than its factorization.

213522430051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269939981.

The product of its (nonzero) digits is 7200, while the sum is 28.

Adding to 213522430051 its reverse (150034225312), we get a palindrome (363556655363).

The spelling of 213522430051 in words is "two hundred thirteen billion, five hundred twenty-two million, four hundred thirty thousand, fifty-one".