2313212213 has 16 divisors (see below), whose sum is σ = 2583374976. Its totient is φ = 2057348160.

The previous prime is 2313212179. The next prime is 2313212221. The reversal of 2313212213 is 3122123132.

It is a cyclic number.

It is not a de Polignac number, because 2313212213 - 2¹⁸ = 2312950069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2313212263) 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, 26198 + ... + 72888.

It is an arithmetic number, because the mean of its divisors is an integer number (161460936).

Almost surely, 2^2313212213 is an apocalyptic number.

It is an amenable number.

2313212213 is a deficient number, since it is larger than the sum of its proper divisors (270162763).

2313212213 is a wasteful number, since it uses less digits than its factorization.

2313212213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46844.

The product of its digits is 432, while the sum is 20.

The square root of 2313212213 is about 48095.8648222485. The cubic root of 2313212213 is about 1322.5288628795.

Adding to 2313212213 its reverse (3122123132), we get a palindrome (5435335345).

The spelling of 2313212213 in words is "two billion, three hundred thirteen million, two hundred twelve thousand, two hundred thirteen".