20213211410431 has 16 divisors (see below), whose sum is σ = 21789953660160. Its totient is φ = 18639598821120.

The previous prime is 20213211410389. The next prime is 20213211410443. The reversal of 20213211410431 is 13401411231202.

It is a cyclic number.

It is not a de Polignac number, because 20213211410431 - 2⁷ = 20213211410303 is a prime.

It is a super-2 number, since 2×20213211410431² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20213211410396 and 20213211410405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20213211410131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 129975186 + ... + 130130608.

It is an arithmetic number, because the mean of its divisors is an integer number (1361872103760).

Almost surely, 2^{20213211410431} is an apocalyptic number.

20213211410431 is a deficient number, since it is larger than the sum of its proper divisors (1576742249729).

20213211410431 is a wasteful number, since it uses less digits than its factorization.

20213211410431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165426.

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 20213211410431 its reverse (13401411231202), we get a palindrome (33614622641633).

The spelling of 20213211410431 in words is "twenty trillion, two hundred thirteen billion, two hundred eleven million, four hundred ten thousand, four hundred thirty-one".