304240300031 has 4 divisors (see below), whose sum is σ = 310713497952. Its totient is φ = 297767102112.

The previous prime is 304240300019. The next prime is 304240300033. The reversal of 304240300031 is 130003042403.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 130003042403 = 13 ⋅10000234031.

It is a cyclic number.

It is not a de Polignac number, because 304240300031 - 2¹⁰ = 304240299007 is a prime.

It is a super-2 number, since 2×304240300031² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 304240299976 and 304240300012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (304240300033) 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 3 ways as a sum of consecutive naturals, for example, 3236598890 + ... + 3236598983.

It is an arithmetic number, because the mean of its divisors is an integer number (77678374488).

Almost surely, 2^304240300031 is an apocalyptic number.

304240300031 is a deficient number, since it is larger than the sum of its proper divisors (6473197921).

304240300031 is an equidigital number, since it uses as much as digits as its factorization.

304240300031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6473197920.

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 304240300031 its reverse (130003042403), we get a palindrome (434243342434).

The spelling of 304240300031 in words is "three hundred four billion, two hundred forty million, three hundred thousand, thirty-one".