30520166605313 has 16 divisors (see below), whose sum is σ = 38051468548224. Its totient is φ = 23781728165760.

The previous prime is 30520166605289. The next prime is 30520166605343. The reversal of 30520166605313 is 31350666102503.

It is a cyclic number.

It is not a de Polignac number, because 30520166605313 - 2⁸ = 30520166605057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30520166605343) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 6815231 + ... + 10367627.

It is an arithmetic number, because the mean of its divisors is an integer number (2378216784264).

Almost surely, 2^{30520166605313} is an apocalyptic number.

It is an amenable number.

30520166605313 is a deficient number, since it is larger than the sum of its proper divisors (7531301942911).

30520166605313 is a wasteful number, since it uses less digits than its factorization.

30520166605313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3663992.

The product of its (nonzero) digits is 291600, while the sum is 41.

The spelling of 30520166605313 in words is "thirty trillion, five hundred twenty billion, one hundred sixty-six million, six hundred five thousand, three hundred thirteen".