2123213313 has 8 divisors (see below), whose sum is σ = 3048716608. Its totient is φ = 1306592784.

The previous prime is 2123213299. The next prime is 2123213327. The reversal of 2123213313 is 3133123212.

It is an interprime number because it is at equal distance from previous prime (2123213299) and next prime (2123213327).

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

It is not a de Polignac number, because 2123213313 - 2¹⁸ = 2122951169 is a prime.

It is a super-3 number, since 3×2123213313³ (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2123213313.

It is not an unprimeable number, because it can be changed into a prime (2123211313) 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, 27220645 + ... + 27220722.

It is an arithmetic number, because the mean of its divisors is an integer number (381089576).

Almost surely, 2^2123213313 is an apocalyptic number.

It is an amenable number.

2123213313 is a deficient number, since it is larger than the sum of its proper divisors (925503295).

2123213313 is a wasteful number, since it uses less digits than its factorization.

2123213313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54441383.

The product of its digits is 648, while the sum is 21.

The square root of 2123213313 is about 46078.3388697987. The cubic root of 2123213313 is about 1285.2803746585.

Adding to 2123213313 its reverse (3133123212), we get a palindrome (5256336525).

The spelling of 2123213313 in words is "two billion, one hundred twenty-three million, two hundred thirteen thousand, three hundred thirteen".