2213111234431 has 16 divisors (see below), whose sum is σ = 2316000314880. Its totient is φ = 2112578019520.

The previous prime is 2213111234429. The next prime is 2213111234449. The reversal of 2213111234431 is 1344321113122.

It is a cyclic number.

It is not a de Polignac number, because 2213111234431 - 2¹ = 2213111234429 is a prime.

It is a super-2 number, since 2×2213111234431² (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 2213111234431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2213111234401) 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, 6515280 + ... + 6846538.

It is an arithmetic number, because the mean of its divisors is an integer number (144750019680).

Almost surely, 2^{2213111234431} is an apocalyptic number.

2213111234431 is a deficient number, since it is larger than the sum of its proper divisors (102889080449).

2213111234431 is a wasteful number, since it uses less digits than its factorization.

2213111234431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334814.

The product of its digits is 3456, while the sum is 28.

Adding to 2213111234431 its reverse (1344321113122), we get a palindrome (3557432347553).

The spelling of 2213111234431 in words is "two trillion, two hundred thirteen billion, one hundred eleven million, two hundred thirty-four thousand, four hundred thirty-one".