232221022031 has 2 divisors, whose sum is σ = 232221022032. Its totient is φ = 232221022030.

The previous prime is 232221021997. The next prime is 232221022039. The reversal of 232221022031 is 130220122232.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 232221022031 - 2¹⁸ = 232220759887 is a prime.

It is a super-2 number, since 2×232221022031² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 232221021994 and 232221022012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (232221022039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116110511015 + 116110511016.

It is an arithmetic number, because the mean of its divisors is an integer number (116110511016).

Almost surely, 2^232221022031 is an apocalyptic number.

232221022031 is a deficient number, since it is larger than the sum of its proper divisors (1).

232221022031 is an equidigital number, since it uses as much as digits as its factorization.

232221022031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 232221022031 its reverse (130220122232), we get a palindrome (362441144263).

The spelling of 232221022031 in words is "two hundred thirty-two billion, two hundred twenty-one million, twenty-two thousand, thirty-one".