2133231002321 has 2 divisors, whose sum is σ = 2133231002322. Its totient is φ = 2133231002320.

The previous prime is 2133231002317. The next prime is 2133231002323. The reversal of 2133231002321 is 1232001323312.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2065224793921 + 68006208400 = 1437089^2 + 260780^2 .

It is a cyclic number.

It is not a de Polignac number, because 2133231002321 - 2² = 2133231002317 is a prime.

Together with 2133231002323, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2133231002323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1066615501160 + 1066615501161.

It is an arithmetic number, because the mean of its divisors is an integer number (1066615501161).

Almost surely, 2^{2133231002321} is an apocalyptic number.

It is an amenable number.

2133231002321 is a deficient number, since it is larger than the sum of its proper divisors (1).

2133231002321 is an equidigital number, since it uses as much as digits as its factorization.

2133231002321 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 23.

Adding to 2133231002321 its reverse (1232001323312), we get a palindrome (3365232325633).

The spelling of 2133231002321 in words is "two trillion, one hundred thirty-three billion, two hundred thirty-one million, two thousand, three hundred twenty-one".