223221131131 has 4 divisors (see below), whose sum is σ = 223325296192. Its totient is φ = 223116966072.

The previous prime is 223221131117. The next prime is 223221131149. The reversal of 223221131131 is 131131122322.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 223221131131 - 2¹³ = 223221122939 is a prime.

It is a super-3 number, since 3×223221131131³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (223221141131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52079316 + ... + 52083601.

It is an arithmetic number, because the mean of its divisors is an integer number (55831324048).

Almost surely, 2^223221131131 is an apocalyptic number.

223221131131 is a deficient number, since it is larger than the sum of its proper divisors (104165061).

223221131131 is a wasteful number, since it uses less digits than its factorization.

223221131131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104165060.

The product of its digits is 432, while the sum is 22.

Adding to 223221131131 its reverse (131131122322), we get a palindrome (354352253453).

The spelling of 223221131131 in words is "two hundred twenty-three billion, two hundred twenty-one million, one hundred thirty-one thousand, one hundred thirty-one".