211131234313 has 16 divisors (see below), whose sum is σ = 225757627200. Its totient is φ = 196874193600.

The previous prime is 211131234289. The next prime is 211131234317. The reversal of 211131234313 is 313432131112.

It is a cyclic number.

It is not a de Polignac number, because 211131234313 - 2²⁹ = 210594363401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211131234317) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 175363 + ... + 673063.

It is an arithmetic number, because the mean of its divisors is an integer number (14109851700).

Almost surely, 2^211131234313 is an apocalyptic number.

It is an amenable number.

211131234313 is a deficient number, since it is larger than the sum of its proper divisors (14626392887).

211131234313 is a wasteful number, since it uses less digits than its factorization.

211131234313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498072.

The product of its digits is 1296, while the sum is 25.

Adding to 211131234313 its reverse (313432131112), we get a palindrome (524563365425).

The spelling of 211131234313 in words is "two hundred eleven billion, one hundred thirty-one million, two hundred thirty-four thousand, three hundred thirteen".