10003321481 has 2 divisors, whose sum is σ = 10003321482. Its totient is φ = 10003321480.

The previous prime is 10003321403. The next prime is 10003321541. The reversal of 10003321481 is 18412330001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7689711481 + 2313610000 = 87691^2 + 48100^2 .

It is a cyclic number.

It is not a de Polignac number, because 10003321481 - 2¹⁴ = 10003305097 is a prime.

It is a super-2 number, since 2×10003321481² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (10003321981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5001660740 + 5001660741.

It is an arithmetic number, because the mean of its divisors is an integer number (5001660741).

Almost surely, 2^10003321481 is an apocalyptic number.

It is an amenable number.

10003321481 is a deficient number, since it is larger than the sum of its proper divisors (1).

10003321481 is an equidigital number, since it uses as much as digits as its factorization.

10003321481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 10003321481 its reverse (18412330001), we get a palindrome (28415651482).

The spelling of 10003321481 in words is "ten billion, three million, three hundred twenty-one thousand, four hundred eighty-one".