304031100042 has 24 divisors (see below), whose sum is σ = 658824192000. Its totient is φ = 101329832040.

The previous prime is 304031100029. The next prime is 304031100049. The reversal of 304031100042 is 240001130403.

It is a super-2 number, since 2×304031100042² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 304031099988 and 304031100024.

It is not an unprimeable number, because it can be changed into a prime (304031100049) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1020042 + ... + 1283957.

It is an arithmetic number, because the mean of its divisors is an integer number (27451008000).

Almost surely, 2^304031100042 is an apocalyptic number.

304031100042 is an abundant number, since it is smaller than the sum of its proper divisors (354793091958).

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

304031100042 is a wasteful number, since it uses less digits than its factorization.

304031100042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2311338 (or 2311335 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 304031100042 its reverse (240001130403), we get a palindrome (544032230445).

The spelling of 304031100042 in words is "three hundred four billion, thirty-one million, one hundred thousand, forty-two".