306113220106205 has 8 divisors (see below), whose sum is σ = 367534746577152. Its totient is φ = 244757987785168.

The previous prime is 306113220106193. The next prime is 306113220106271. The reversal of 306113220106205 is 502601022311603.

It is a happy number.

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 306113220106205 - 2²⁶ = 306113152997341 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

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, 16573527317 + ... + 16573545786.

It is an arithmetic number, because the mean of its divisors is an integer number (45941843322144).

Almost surely, 2^{306113220106205} is an apocalyptic number.

It is an amenable number.

306113220106205 is a deficient number, since it is larger than the sum of its proper divisors (61421526470947).

306113220106205 is a wasteful number, since it uses less digits than its factorization.

306113220106205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33147074955.

The product of its (nonzero) digits is 12960, while the sum is 32.

Adding to 306113220106205 its reverse (502601022311603), we get a palindrome (808714242417808).

The spelling of 306113220106205 in words is "three hundred six trillion, one hundred thirteen billion, two hundred twenty million, one hundred six thousand, two hundred five".