223201113131231 has 4 divisors (see below), whose sum is σ = 232905509354352. Its totient is φ = 213496716908112.

The previous prime is 223201113131209. The next prime is 223201113131303. The reversal of 223201113131231 is 132131311102322.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-223201113131231 is a prime.

It is a super-3 number, since 3×223201113131231³ (a number of 44 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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 223201113131231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223201113161231) 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 3 ways as a sum of consecutive naturals, for example, 4852198111526 + ... + 4852198111571.

It is an arithmetic number, because the mean of its divisors is an integer number (58226377338588).

Almost surely, 2^{223201113131231} is an apocalyptic number.

223201113131231 is a deficient number, since it is larger than the sum of its proper divisors (9704396223121).

223201113131231 is an equidigital number, since it uses as much as digits as its factorization.

223201113131231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9704396223120.

The product of its (nonzero) digits is 1296, while the sum is 26.

Adding to 223201113131231 its reverse (132131311102322), we get a palindrome (355332424233553).

The spelling of 223201113131231 in words is "two hundred twenty-three trillion, two hundred one billion, one hundred thirteen million, one hundred thirty-one thousand, two hundred thirty-one".