213130122311 has 8 divisors (see below), whose sum is σ = 222838801920. Its totient is φ = 203458288792.

The previous prime is 213130122277. The next prime is 213130122319. The reversal of 213130122311 is 113221031312.

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 213130122311 - 2³⁴ = 195950253127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213130122319) 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, 9199691 + ... + 9222828.

It is an arithmetic number, because the mean of its divisors is an integer number (27854850240).

Almost surely, 2^213130122311 is an apocalyptic number.

213130122311 is a deficient number, since it is larger than the sum of its proper divisors (9708679609).

213130122311 is a wasteful number, since it uses less digits than its factorization.

213130122311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18423045.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 213130122311 its reverse (113221031312), we get a palindrome (326351153623).

Subtracting from 213130122311 its reverse (113221031312), we obtain a palindrome (99909090999).

The spelling of 213130122311 in words is "two hundred thirteen billion, one hundred thirty million, one hundred twenty-two thousand, three hundred eleven".