304320410121 has 32 divisors (see below), whose sum is σ = 510023098368. Its totient is φ = 157105316160.

The previous prime is 304320410111. The next prime is 304320410123. The reversal of 304320410121 is 121014023403.

It is not a de Polignac number, because 304320410121 - 2⁷ = 304320409993 is a prime.

It is a super-2 number, since 2×304320410121² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (304320410123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11845965 + ... + 11871626.

It is an arithmetic number, because the mean of its divisors is an integer number (15938221824).

Almost surely, 2^304320410121 is an apocalyptic number.

It is an amenable number.

304320410121 is a deficient number, since it is larger than the sum of its proper divisors (205702688247).

304320410121 is a wasteful number, since it uses less digits than its factorization.

304320410121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23717661.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 304320410121 its reverse (121014023403), we get a palindrome (425334433524).

The spelling of 304320410121 in words is "three hundred four billion, three hundred twenty million, four hundred ten thousand, one hundred twenty-one".