30105215313 has 4 divisors (see below), whose sum is σ = 40140287088. Its totient is φ = 20070143540.

The previous prime is 30105215303. The next prime is 30105215321. The reversal of 30105215313 is 31351250103.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 30105215313 - 2⁴ = 30105215297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30105215303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5017535883 + ... + 5017535888.

It is an arithmetic number, because the mean of its divisors is an integer number (10035071772).

Almost surely, 2^30105215313 is an apocalyptic number.

It is an amenable number.

30105215313 is a deficient number, since it is larger than the sum of its proper divisors (10035071775).

30105215313 is a wasteful number, since it uses less digits than its factorization.

30105215313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10035071774.

The product of its (nonzero) digits is 1350, while the sum is 24.

Adding to 30105215313 its reverse (31351250103), we get a palindrome (61456465416).

The spelling of 30105215313 in words is "thirty billion, one hundred five million, two hundred fifteen thousand, three hundred thirteen".