321113312110231 has 2 divisors, whose sum is σ = 321113312110232. Its totient is φ = 321113312110230.

The previous prime is 321113312110193. The next prime is 321113312110313. The reversal of 321113312110231 is 132011213311123.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 321113312110231 - 2²⁵ = 321113278555799 is a prime.

It is a super-3 number, since 3×321113312110231³ (a number of 44 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 321113312110196 and 321113312110205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (321113312110631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160556656055115 + 160556656055116.

It is an arithmetic number, because the mean of its divisors is an integer number (160556656055116).

Almost surely, 2^{321113312110231} is an apocalyptic number.

321113312110231 is a deficient number, since it is larger than the sum of its proper divisors (1).

321113312110231 is an equidigital number, since it uses as much as digits as its factorization.

321113312110231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 25.

Adding to 321113312110231 its reverse (132011213311123), we get a palindrome (453124525421354).

The spelling of 321113312110231 in words is "three hundred twenty-one trillion, one hundred thirteen billion, three hundred twelve million, one hundred ten thousand, two hundred thirty-one".