304342223140312 has 128 divisors (see below), whose sum is σ = 704342148324480. Its totient is φ = 120317718528000.

The previous prime is 304342223140301. The next prime is 304342223140321. The reversal of 304342223140312 is 213041322243403.

It is a super-2 number, since 2×304342223140312² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6993012 + ... + 25643452.

It is an arithmetic number, because the mean of its divisors is an integer number (5502673033785).

Almost surely, 2^{304342223140312} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 304342223140312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (352171074162240).

304342223140312 is an abundant number, since it is smaller than the sum of its proper divisors (399999925184168).

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

304342223140312 is a wasteful number, since it uses less digits than its factorization.

304342223140312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18650813 (or 18650809 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 34.

Adding to 304342223140312 its reverse (213041322243403), we get a palindrome (517383545383715).

The spelling of 304342223140312 in words is "three hundred four trillion, three hundred forty-two billion, two hundred twenty-three million, one hundred forty thousand, three hundred twelve".