10551531230321 has 2 divisors, whose sum is σ = 10551531230322. Its totient is φ = 10551531230320.

The previous prime is 10551531230311. The next prime is 10551531230323. The reversal of 10551531230321 is 12303213515501.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9818947590400 + 732583639921 = 3133520^2 + 855911^2 .

It is a cyclic number.

It is not a de Polignac number, because 10551531230321 - 2³⁰ = 10550457488497 is a prime.

It is a super-2 number, since 2×10551531230321² (a number of 27 digits) contains 22 as substring.

Together with 10551531230323, 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 (10551531230323) 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, 5275765615160 + 5275765615161.

It is an arithmetic number, because the mean of its divisors is an integer number (5275765615161).

Almost surely, 2^{10551531230321} is an apocalyptic number.

It is an amenable number.

10551531230321 is a deficient number, since it is larger than the sum of its proper divisors (1).

10551531230321 is an equidigital number, since it uses as much as digits as its factorization.

10551531230321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13500, while the sum is 32.

Adding to 10551531230321 its reverse (12303213515501), we get a palindrome (22854744745822).

The spelling of 10551531230321 in words is "ten trillion, five hundred fifty-one billion, five hundred thirty-one million, two hundred thirty thousand, three hundred twenty-one".