304312310120 has 64 divisors (see below), whose sum is σ = 842711022720. Its totient is φ = 96309828864.

The previous prime is 304312310117. The next prime is 304312310129. The reversal of 304312310120 is 21013213403.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 304312310092 and 304312310101.

It is not an unprimeable number, because it can be changed into a prime (304312310129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41797502 + ... + 41804781.

It is an arithmetic number, because the mean of its divisors is an integer number (13167359730).

Almost surely, 2^304312310120 is an apocalyptic number.

It is an amenable number.

304312310120 is an abundant number, since it is smaller than the sum of its proper divisors (538398712600).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

304312310120 is a wasteful number, since it uses less digits than its factorization.

304312310120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83602314 (or 83602310 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 304312310120 its reverse (21013213403), we get a palindrome (325325523523).

The spelling of 304312310120 in words is "three hundred four billion, three hundred twelve million, three hundred ten thousand, one hundred twenty".