30403313453321 has 2 divisors, whose sum is σ = 30403313453322. Its totient is φ = 30403313453320.

The previous prime is 30403313453273. The next prime is 30403313453323. The reversal of 30403313453321 is 12335431330403.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22044339619600 + 8358973833721 = 4695140^2 + 2891189^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30403313453321 is a prime.

It is a super-2 number, since 2×30403313453321² (a number of 28 digits) contains 22 as substring.

Together with 30403313453323, 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 (30403313453323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15201656726660 + 15201656726661.

It is an arithmetic number, because the mean of its divisors is an integer number (15201656726661).

Almost surely, 2^{30403313453321} is an apocalyptic number.

It is an amenable number.

30403313453321 is a deficient number, since it is larger than the sum of its proper divisors (1).

30403313453321 is an equidigital number, since it uses as much as digits as its factorization.

30403313453321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 116640, while the sum is 35.

Adding to 30403313453321 its reverse (12335431330403), we get a palindrome (42738744783724).

The spelling of 30403313453321 in words is "thirty trillion, four hundred three billion, three hundred thirteen million, four hundred fifty-three thousand, three hundred twenty-one".