30720351230 has 8 divisors (see below), whose sum is σ = 55296632232. Its totient is φ = 12288140488.

The previous prime is 30720351187. The next prime is 30720351241. The reversal of 30720351230 is 3215302703.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 30720351230.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1536017552 + ... + 1536017571.

It is an arithmetic number, because the mean of its divisors is an integer number (6912079029).

Almost surely, 2^30720351230 is an apocalyptic number.

30720351230 is a deficient number, since it is larger than the sum of its proper divisors (24576281002).

30720351230 is a wasteful number, since it uses less digits than its factorization.

30720351230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3072035130.

The product of its (nonzero) digits is 3780, while the sum is 26.

Adding to 30720351230 its reverse (3215302703), we get a palindrome (33935653933).

The spelling of 30720351230 in words is "thirty billion, seven hundred twenty million, three hundred fifty-one thousand, two hundred thirty".