30103013321 has 2 divisors, whose sum is σ = 30103013322. Its totient is φ = 30103013320.

The previous prime is 30103013273. The next prime is 30103013351. The reversal of 30103013321 is 12331030103.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19341855625 + 10761157696 = 139075^2 + 103736^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30103013321 is a prime.

It is a super-2 number, since 2×30103013321² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 30103013321.

It is not a weakly prime, because it can be changed into another prime (30103013351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15051506660 + 15051506661.

It is an arithmetic number, because the mean of its divisors is an integer number (15051506661).

Almost surely, 2^30103013321 is an apocalyptic number.

It is an amenable number.

30103013321 is a deficient number, since it is larger than the sum of its proper divisors (1).

30103013321 is an equidigital number, since it uses as much as digits as its factorization.

30103013321 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 30103013321 its reverse (12331030103), we get a palindrome (42434043424).

The spelling of 30103013321 in words is "thirty billion, one hundred three million, thirteen thousand, three hundred twenty-one".