304405321113 has 6 divisors (see below), whose sum is σ = 439696574954. Its totient is φ = 202936880736.

The previous prime is 304405321081. The next prime is 304405321147. The reversal of 304405321113 is 311123504403.

It is a happy number.

304405321113 is a `hidden beast` number, since 3 + 0 + 440 + 5 + 3 + 211 + 1 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 292559828544 + 11845492569 = 540888^2 + 108837^2 .

It is not a de Polignac number, because 304405321113 - 2⁵ = 304405321081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (304405321153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 16911406720 + ... + 16911406737.

Almost surely, 2^304405321113 is an apocalyptic number.

It is an amenable number.

304405321113 is a deficient number, since it is larger than the sum of its proper divisors (135291253841).

304405321113 is a wasteful number, since it uses less digits than its factorization.

304405321113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33822813463 (or 33822813460 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

Adding to 304405321113 its reverse (311123504403), we get a palindrome (615528825516).

The spelling of 304405321113 in words is "three hundred four billion, four hundred five million, three hundred twenty-one thousand, one hundred thirteen".