223230031231 has 2 divisors, whose sum is σ = 223230031232. Its totient is φ = 223230031230.

The previous prime is 223230031201. The next prime is 223230031243. The reversal of 223230031231 is 132130032322.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 223230031231 - 2¹⁹ = 223229506943 is a prime.

It is a super-3 number, since 3×223230031231³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (223230031201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111615015615 + 111615015616.

It is an arithmetic number, because the mean of its divisors is an integer number (111615015616).

Almost surely, 2^223230031231 is an apocalyptic number.

223230031231 is a deficient number, since it is larger than the sum of its proper divisors (1).

223230031231 is an equidigital number, since it uses as much as digits as its factorization.

223230031231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 223230031231 its reverse (132130032322), we get a palindrome (355360063553).

The spelling of 223230031231 in words is "two hundred twenty-three billion, two hundred thirty million, thirty-one thousand, two hundred thirty-one".