213101230311 has 24 divisors (see below), whose sum is σ = 308371662144. Its totient is φ = 141809832960.

The previous prime is 213101230297. The next prime is 213101230361. The reversal of 213101230311 is 113032101312.

213101230311 is a `hidden beast` number, since 2 + 1 + 310 + 12 + 30 + 311 = 666.

It is not a de Polignac number, because 213101230311 - 2⁶ = 213101230247 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213101230361) 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, 11958370 + ... + 11976176.

It is an arithmetic number, because the mean of its divisors is an integer number (12848819256).

Almost surely, 2^213101230311 is an apocalyptic number.

213101230311 is a deficient number, since it is larger than the sum of its proper divisors (95270431833).

213101230311 is a wasteful number, since it uses less digits than its factorization.

213101230311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20151 (or 20148 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 213101230311 its reverse (113032101312), we get a palindrome (326133331623).

The spelling of 213101230311 in words is "two hundred thirteen billion, one hundred one million, two hundred thirty thousand, three hundred eleven".