304242443331 has 8 divisors (see below), whose sum is σ = 405661421760. Its totient is φ = 202825880232.

The previous prime is 304242443293. The next prime is 304242443369. The reversal of 304242443331 is 133344242403.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (304242443293) and next prime (304242443369).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 304242443331 - 2¹³ = 304242435139 is a prime.

It is a super-2 number, since 2×304242443331² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 304242443292 and 304242443301.

It is not an unprimeable number, because it can be changed into a prime (304242443371) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 286021 + ... + 830838.

It is an arithmetic number, because the mean of its divisors is an integer number (50707677720).

Almost surely, 2^304242443331 is an apocalyptic number.

304242443331 is a deficient number, since it is larger than the sum of its proper divisors (101418978429).

304242443331 is a wasteful number, since it uses less digits than its factorization.

304242443331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1207665.

The product of its (nonzero) digits is 82944, while the sum is 33.

Adding to 304242443331 its reverse (133344242403), we get a palindrome (437586685734).

The spelling of 304242443331 in words is "three hundred four billion, two hundred forty-two million, four hundred forty-three thousand, three hundred thirty-one".