30231845218 has 16 divisors (see below), whose sum is σ = 45981010296. Its totient is φ = 14904950400.

The previous prime is 30231845201. The next prime is 30231845233. The reversal of 30231845218 is 81254813203.

It can be written as a sum of positive squares in 4 ways, for example, as 24772556449 + 5459288769 = 157393^2 + 73887^2 .

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, 578368 + ... + 628468.

Almost surely, 2^30231845218 is an apocalyptic number.

30231845218 is a deficient number, since it is larger than the sum of its proper divisors (15749165078).

30231845218 is a wasteful number, since it uses less digits than its factorization.

30231845218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54309.

The product of its (nonzero) digits is 46080, while the sum is 37.

The spelling of 30231845218 in words is "thirty billion, two hundred thirty-one million, eight hundred forty-five thousand, two hundred eighteen".