213424311 has 16 divisors (see below), whose sum is σ = 301563360. Its totient is φ = 134023680.

The previous prime is 213424301. The next prime is 213424339. The reversal of 213424311 is 113424312.

It is not a de Polignac number, because 213424311 - 2¹¹ = 213422263 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213424301) 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, 26350 + ... + 33483.

It is an arithmetic number, because the mean of its divisors is an integer number (18847710).

Almost surely, 2^213424311 is an apocalyptic number.

213424311 is a deficient number, since it is larger than the sum of its proper divisors (88139049).

213424311 is a wasteful number, since it uses less digits than its factorization.

213424311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59906.

The product of its digits is 576, while the sum is 21.

The square root of 213424311 is about 14609.0489423508. The cubic root of 213424311 is about 597.6055599168.

Adding to 213424311 its reverse (113424312), we get a palindrome (326848623).

Subtracting from 213424311 its reverse (113424312), we obtain a palindrome (99999999).

The spelling of 213424311 in words is "two hundred thirteen million, four hundred twenty-four thousand, three hundred eleven".