103013003321 has 2 divisors, whose sum is σ = 103013003322. Its totient is φ = 103013003320.

The previous prime is 103013003311. The next prime is 103013003333. The reversal of 103013003321 is 123300310301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 81008544400 + 22004458921 = 284620^2 + 148339^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-103013003321 is a prime.

It is a super-2 number, since 2×103013003321² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 103013003321.

It is not a weakly prime, because it can be changed into another prime (103013003311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51506501660 + 51506501661.

It is an arithmetic number, because the mean of its divisors is an integer number (51506501661).

Almost surely, 2^103013003321 is an apocalyptic number.

It is an amenable number.

103013003321 is a deficient number, since it is larger than the sum of its proper divisors (1).

103013003321 is an equidigital number, since it uses as much as digits as its factorization.

103013003321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 162, while the sum is 17.

Adding to 103013003321 its reverse (123300310301), we get a palindrome (226313313622).

The spelling of 103013003321 in words is "one hundred three billion, thirteen million, three thousand, three hundred twenty-one".