321232220200231 has 2 divisors, whose sum is σ = 321232220200232. Its totient is φ = 321232220200230.

The previous prime is 321232220200217. The next prime is 321232220200279. The reversal of 321232220200231 is 132002022232123.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 321232220200231 - 2³³ = 321223630265639 is a prime.

It is a super-2 number, since 2×321232220200231² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 321232220200196 and 321232220200205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (321232220200291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160616110100115 + 160616110100116.

It is an arithmetic number, because the mean of its divisors is an integer number (160616110100116).

Almost surely, 2^{321232220200231} is an apocalyptic number.

321232220200231 is a deficient number, since it is larger than the sum of its proper divisors (1).

321232220200231 is an equidigital number, since it uses as much as digits as its factorization.

321232220200231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 321232220200231 its reverse (132002022232123), we get a palindrome (453234242432354).

The spelling of 321232220200231 in words is "three hundred twenty-one trillion, two hundred thirty-two billion, two hundred twenty million, two hundred thousand, two hundred thirty-one".