223311322231 has 2 divisors, whose sum is σ = 223311322232. Its totient is φ = 223311322230.

The previous prime is 223311322189. The next prime is 223311322259. The reversal of 223311322231 is 132223113322.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 223311322231 - 2⁷ = 223311322103 is a prime.

It is a super-2 number, since 2×223311322231² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 223311322196 and 223311322205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (223311322331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111655661115 + 111655661116.

It is an arithmetic number, because the mean of its divisors is an integer number (111655661116).

Almost surely, 2^223311322231 is an apocalyptic number.

223311322231 is a deficient number, since it is larger than the sum of its proper divisors (1).

223311322231 is an equidigital number, since it uses as much as digits as its factorization.

223311322231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2592, while the sum is 25.

Adding to 223311322231 its reverse (132223113322), we get a palindrome (355534435553).

The spelling of 223311322231 in words is "two hundred twenty-three billion, three hundred eleven million, three hundred twenty-two thousand, two hundred thirty-one".