30213103310305 has 16 divisors (see below), whose sum is σ = 36388914393744. Its totient is φ = 24081767942400.

The previous prime is 30213103310287. The next prime is 30213103310311. The reversal of 30213103310305 is 50301330131203.

It can be written as a sum of positive squares in 8 ways, for example, as 10830674418001 + 19382428892304 = 3290999^2 + 4402548^2 .

It is not a de Polignac number, because 30213103310305 - 2⁹ = 30213103309793 is a prime.

It is a super-2 number, since 2×30213103310305² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30213103310305.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1866846 + ... + 7994455.

It is an arithmetic number, because the mean of its divisors is an integer number (2274307149609).

Almost surely, 2^{30213103310305} is an apocalyptic number.

It is an amenable number.

30213103310305 is a deficient number, since it is larger than the sum of its proper divisors (6175811083439).

30213103310305 is a wasteful number, since it uses less digits than its factorization.

30213103310305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9863556.

The product of its (nonzero) digits is 2430, while the sum is 25.

Adding to 30213103310305 its reverse (50301330131203), we get a palindrome (80514433441508).

The spelling of 30213103310305 in words is "thirty trillion, two hundred thirteen billion, one hundred three million, three hundred ten thousand, three hundred five".