10303122321 has 10 divisors (see below), whose sum is σ = 15391084082. Its totient is φ = 6868748160.

The previous prime is 10303122311. The next prime is 10303122367. The reversal of 10303122321 is 12322130301.

10303122321 is a `hidden beast` number, since 1 + 0 + 30 + 312 + 2 + 321 = 666.

It can be written as a sum of positive squares in only one way, i.e., 7785591696 + 2517530625 = 88236^2 + 50175^2 .

It is not a de Polignac number, because 10303122321 - 2⁹ = 10303121809 is a prime.

It is a super-2 number, since 2×10303122321² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 10303122294 and 10303122303.

It is not an unprimeable number, because it can be changed into a prime (10303122311) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 63599440 + ... + 63599601.

Almost surely, 2^10303122321 is an apocalyptic number.

It is an amenable number.

10303122321 is a deficient number, since it is larger than the sum of its proper divisors (5087961761).

10303122321 is an equidigital number, since it uses as much as digits as its factorization.

10303122321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127199053 (or 127199044 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 10303122321 its reverse (12322130301), we get a palindrome (22625252622).

The spelling of 10303122321 in words is "ten billion, three hundred three million, one hundred twenty-two thousand, three hundred twenty-one".