305082221133 has 16 divisors (see below), whose sum is σ = 428230595520. Its totient is φ = 192663248256.

The previous prime is 305082221123. The next prime is 305082221149. The reversal of 305082221133 is 331122280503.

It is a happy number.

It is not a de Polignac number, because 305082221133 - 2⁴ = 305082221117 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 305082221133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (305082221123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 275041 + ... + 828137.

It is an arithmetic number, because the mean of its divisors is an integer number (26764412220).

Almost surely, 2^305082221133 is an apocalyptic number.

It is an amenable number.

305082221133 is a deficient number, since it is larger than the sum of its proper divisors (123148374387).

305082221133 is a wasteful number, since it uses less digits than its factorization.

305082221133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 562796.

The product of its (nonzero) digits is 8640, while the sum is 30.

The spelling of 305082221133 in words is "three hundred five billion, eighty-two million, two hundred twenty-one thousand, one hundred thirty-three".