2213321312231 has 8 divisors (see below), whose sum is σ = 2219779161600. Its totient is φ = 2206872490680.

The previous prime is 2213321312207. The next prime is 2213321312243. The reversal of 2213321312231 is 1322131233122.

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

It is a cyclic number.

It is not a de Polignac number, because 2213321312231 - 2¹⁰ = 2213321311207 is a prime.

It is a super-2 number, since 2×2213321312231² (a number of 25 digits) contains 22 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 2213321312231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2213321312431) 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, 1765751 + ... + 2746728.

It is an arithmetic number, because the mean of its divisors is an integer number (277472395200).

Almost surely, 2^{2213321312231} is an apocalyptic number.

2213321312231 is a deficient number, since it is larger than the sum of its proper divisors (6457849369).

2213321312231 is an equidigital number, since it uses as much as digits as its factorization.

2213321312231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4513909.

The product of its digits is 2592, while the sum is 26.

Adding to 2213321312231 its reverse (1322131233122), we get a palindrome (3535452545353).

The spelling of 2213321312231 in words is "two trillion, two hundred thirteen billion, three hundred twenty-one million, three hundred twelve thousand, two hundred thirty-one".