2213131213 has 8 divisors (see below), whose sum is σ = 2348341632. Its totient is φ = 2078479296.

The previous prime is 2213131211. The next prime is 2213131237. The reversal of 2213131213 is 3121313122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2213131213 - 2¹ = 2213131211 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 (2213131211) 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, 131445 + ... + 147322.

It is an arithmetic number, because the mean of its divisors is an integer number (293542704).

Almost surely, 2^2213131213 is an apocalyptic number.

It is an amenable number.

2213131213 is a deficient number, since it is larger than the sum of its proper divisors (135210419).

2213131213 is a wasteful number, since it uses less digits than its factorization.

2213131213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279251.

The product of its digits is 216, while the sum is 19.

The square root of 2213131213 is about 47043.9285455626. The cubic root of 2213131213 is about 1303.1739433436.

Adding to 2213131213 its reverse (3121313122), we get a palindrome (5334444335).

The spelling of 2213131213 in words is "two billion, two hundred thirteen million, one hundred thirty-one thousand, two hundred thirteen".