213143243301 has 24 divisors (see below), whose sum is σ = 309556376064. Its totient is φ = 141319160640.

The previous prime is 213143243267. The next prime is 213143243317. The reversal of 213143243301 is 103342341312.

It is a happy number.

213143243301 is a `hidden beast` number, since 2 + 1 + 3 + 1 + 4 + 324 + 330 + 1 = 666.

It is not a de Polignac number, because 213143243301 - 2⁹ = 213143242789 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213143241301) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9248745 + ... + 9271761.

It is an arithmetic number, because the mean of its divisors is an integer number (12898182336).

Almost surely, 2^213143243301 is an apocalyptic number.

It is an amenable number.

213143243301 is a deficient number, since it is larger than the sum of its proper divisors (96413132763).

213143243301 is a wasteful number, since it uses less digits than its factorization.

213143243301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28601 (or 28598 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 213143243301 its reverse (103342341312), we get a palindrome (316485584613).

The spelling of 213143243301 in words is "two hundred thirteen billion, one hundred forty-three million, two hundred forty-three thousand, three hundred one".