213231303111 has 8 divisors (see below), whose sum is σ = 284792747904. Its totient is φ = 141912030200.

The previous prime is 213231303091. The next prime is 213231303143. The reversal of 213231303111 is 111303132312.

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 not a de Polignac number, because 213231303111 - 2¹³ = 213231294919 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213231303151) 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, 60540915 + ... + 60544436.

It is an arithmetic number, because the mean of its divisors is an integer number (35599093488).

Almost surely, 2^213231303111 is an apocalyptic number.

213231303111 is a deficient number, since it is larger than the sum of its proper divisors (71561444793).

213231303111 is a wasteful number, since it uses less digits than its factorization.

213231303111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121085941.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 213231303111 its reverse (111303132312), we get a palindrome (324534435423).

The spelling of 213231303111 in words is "two hundred thirteen billion, two hundred thirty-one million, three hundred three thousand, one hundred eleven".