304313121144031 has 4 divisors (see below), whose sum is σ = 304314105365200. Its totient is φ = 304312136922864.

The previous prime is 304313121143951. The next prime is 304313121144041. The reversal of 304313121144031 is 130441121313403.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 304313121144031 - 2¹⁹ = 304313120619743 is a prime.

It is a super-2 number, since 2×304313121144031² (a number of 30 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 = 304313121143984 and 304313121144002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (304313121144041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 491646651 + ... + 492265228.

It is an arithmetic number, because the mean of its divisors is an integer number (76078526341300).

Almost surely, 2^{304313121144031} is an apocalyptic number.

304313121144031 is a deficient number, since it is larger than the sum of its proper divisors (984221169).

304313121144031 is an equidigital number, since it uses as much as digits as its factorization.

304313121144031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 984221168.

The product of its (nonzero) digits is 10368, while the sum is 31.

Adding to 304313121144031 its reverse (130441121313403), we get a palindrome (434754242457434).

The spelling of 304313121144031 in words is "three hundred four trillion, three hundred thirteen billion, one hundred twenty-one million, one hundred forty-four thousand, thirty-one".