2213051066431 has 32 divisors (see below), whose sum is σ = 2345453107200. Its totient is φ = 2084962656000.

The previous prime is 2213051066399. The next prime is 2213051066459. The reversal of 2213051066431 is 1346601503122.

It is not a de Polignac number, because 2213051066431 - 2⁵ = 2213051066399 is a prime.

It is a super-2 number, since 2×2213051066431² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2213051066531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 214583331 + ... + 214593643.

It is an arithmetic number, because the mean of its divisors is an integer number (73295409600).

Almost surely, 2^{2213051066431} is an apocalyptic number.

2213051066431 is a deficient number, since it is larger than the sum of its proper divisors (132402040769).

2213051066431 is a wasteful number, since it uses less digits than its factorization.

2213051066431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11319.

The product of its (nonzero) digits is 25920, while the sum is 34.

Adding to 2213051066431 its reverse (1346601503122), we get a palindrome (3559652569553).

The spelling of 2213051066431 in words is "two trillion, two hundred thirteen billion, fifty-one million, sixty-six thousand, four hundred thirty-one".