30640105155305 has 8 divisors (see below), whose sum is σ = 36768162816000. Its totient is φ = 24512059704496.

The previous prime is 30640105155229. The next prime is 30640105155323. The reversal of 30640105155305 is 50355150104603.

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 30640105155305 - 2¹⁸ = 30640104893161 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3913496 + ... + 8751894.

It is an arithmetic number, because the mean of its divisors is an integer number (4596020352000).

Almost surely, 2^{30640105155305} is an apocalyptic number.

It is an amenable number.

30640105155305 is a deficient number, since it is larger than the sum of its proper divisors (6128057660695).

30640105155305 is a wasteful number, since it uses less digits than its factorization.

30640105155305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6104943.

The product of its (nonzero) digits is 135000, while the sum is 38.

Adding to 30640105155305 its reverse (50355150104603), we get a palindrome (80995255259908).

The spelling of 30640105155305 in words is "thirty trillion, six hundred forty billion, one hundred five million, one hundred fifty-five thousand, three hundred five".