30530142344 has 32 divisors (see below), whose sum is σ = 62491903320. Its totient is φ = 13897806336.

The previous prime is 30530142329. The next prime is 30530142353. The reversal of 30530142344 is 44324103503.

It can be written as a sum of positive squares in 4 ways, for example, as 19928968900 + 10601173444 = 141170^2 + 102962^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2003087 + ... + 2018270.

Almost surely, 2^30530142344 is an apocalyptic number.

It is an amenable number.

30530142344 is an abundant number, since it is smaller than the sum of its proper divisors (31961760976).

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

30530142344 is a wasteful number, since it uses less digits than its factorization.

30530142344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4021449 (or 4021445 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 29.

Adding to 30530142344 its reverse (44324103503), we get a palindrome (74854245847).

The spelling of 30530142344 in words is "thirty billion, five hundred thirty million, one hundred forty-two thousand, three hundred forty-four".