321103131233 has 2 divisors, whose sum is σ = 321103131234. Its totient is φ = 321103131232.

The previous prime is 321103131199. The next prime is 321103131277. The reversal of 321103131233 is 332131301123.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 253927303744 + 67175827489 = 503912^2 + 259183^2 .

It is a cyclic number.

It is not a de Polignac number, because 321103131233 - 2¹⁶ = 321103065697 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 321103131199 and 321103131208.

It is not a weakly prime, because it can be changed into another prime (321103131733) 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, 160551565616 + 160551565617.

It is an arithmetic number, because the mean of its divisors is an integer number (160551565617).

Almost surely, 2^321103131233 is an apocalyptic number.

It is an amenable number.

321103131233 is a deficient number, since it is larger than the sum of its proper divisors (1).

321103131233 is an equidigital number, since it uses as much as digits as its factorization.

321103131233 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 321103131233 its reverse (332131301123), we get a palindrome (653234432356).

The spelling of 321103131233 in words is "three hundred twenty-one billion, one hundred three million, one hundred thirty-one thousand, two hundred thirty-three".