30315512305 has 8 divisors (see below), whose sum is σ = 39176969832. Its totient is φ = 22386839808.

The previous prime is 30315512257. The next prime is 30315512317. The reversal of 30315512305 is 50321551303.

It can be written as a sum of positive squares in 4 ways, for example, as 550981729 + 29764530576 = 23473^2 + 172524^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30315512305 - 2¹¹ = 30315510257 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 233196184 + ... + 233196313.

It is an arithmetic number, because the mean of its divisors is an integer number (4897121229).

Almost surely, 2^30315512305 is an apocalyptic number.

It is an amenable number.

30315512305 is a deficient number, since it is larger than the sum of its proper divisors (8861457527).

30315512305 is a wasteful number, since it uses less digits than its factorization.

30315512305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 466392515.

The product of its (nonzero) digits is 6750, while the sum is 28.

The spelling of 30315512305 in words is "thirty billion, three hundred fifteen million, five hundred twelve thousand, three hundred five".