30530012621305 has 8 divisors (see below), whose sum is σ = 36643361478912. Its totient is φ = 24419112541488.

The previous prime is 30530012621293. The next prime is 30530012621309. The reversal of 30530012621305 is 50312621003503.

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 30530012621305 - 2⁴³ = 21733919599097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30530012621309) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 612167017 + ... + 612216886.

It is an arithmetic number, because the mean of its divisors is an integer number (4580420184864).

Almost surely, 2^{30530012621305} is an apocalyptic number.

It is an amenable number.

30530012621305 is a deficient number, since it is larger than the sum of its proper divisors (6113348857607).

30530012621305 is a wasteful number, since it uses less digits than its factorization.

30530012621305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1224388895.

The product of its (nonzero) digits is 16200, while the sum is 31.

Adding to 30530012621305 its reverse (50312621003503), we get a palindrome (80842633624808).

The spelling of 30530012621305 in words is "thirty trillion, five hundred thirty billion, twelve million, six hundred twenty-one thousand, three hundred five".