304220323121 has 32 divisors (see below), whose sum is σ = 366269734656. Its totient is φ = 248963328000.

The previous prime is 304220323109. The next prime is 304220323123. The reversal of 304220323121 is 121323022403.

It is a cyclic number.

It is not a de Polignac number, because 304220323121 - 2³⁴ = 287040453937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (304220323123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16976156 + ... + 16994066.

It is an arithmetic number, because the mean of its divisors is an integer number (11445929208).

Almost surely, 2^304220323121 is an apocalyptic number.

It is an amenable number.

304220323121 is a deficient number, since it is larger than the sum of its proper divisors (62049411535).

304220323121 is a wasteful number, since it uses less digits than its factorization.

304220323121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20873.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 304220323121 its reverse (121323022403), we get a palindrome (425543345524).

The spelling of 304220323121 in words is "three hundred four billion, two hundred twenty million, three hundred twenty-three thousand, one hundred twenty-one".