304243112133 has 12 divisors (see below), whose sum is σ = 439531791660. Its totient is φ = 202796655936.

The previous prime is 304243112099. The next prime is 304243112143. The reversal of 304243112133 is 331211342403.

It is a happy number.

304243112133 is a `hidden beast` number, since 304 + 24 + 311 + 21 + 3 + 3 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 249983000289 + 54260111844 = 499983^2 + 232938^2 .

It is not a de Polignac number, because 304243112133 - 2⁸ = 304243111877 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 304243112097 and 304243112106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (304243112143) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2613666 + ... + 2727587.

It is an arithmetic number, because the mean of its divisors is an integer number (36627649305).

Almost surely, 2^304243112133 is an apocalyptic number.

It is an amenable number.

304243112133 is a deficient number, since it is larger than the sum of its proper divisors (135288679527).

304243112133 is a wasteful number, since it uses less digits than its factorization.

304243112133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5347588 (or 5347585 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 304243112133 its reverse (331211342403), we get a palindrome (635454454536).

The spelling of 304243112133 in words is "three hundred four billion, two hundred forty-three million, one hundred twelve thousand, one hundred thirty-three".