30120102321 has 8 divisors (see below), whose sum is σ = 40190589120. Its totient is φ = 20064841872.

The previous prime is 30120102307. The next prime is 30120102373. The reversal of 30120102321 is 12320102103.

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

It is not a de Polignac number, because 30120102321 - 2²³ = 30111713713 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30120102321.

It is not an unprimeable number, because it can be changed into a prime (30120102521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3801970 + ... + 3809883.

It is an arithmetic number, because the mean of its divisors is an integer number (5023823640).

Almost surely, 2^30120102321 is an apocalyptic number.

It is an amenable number.

30120102321 is a deficient number, since it is larger than the sum of its proper divisors (10070486799).

30120102321 is a wasteful number, since it uses less digits than its factorization.

30120102321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7613175.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 30120102321 its reverse (12320102103), we get a palindrome (42440204424).

The spelling of 30120102321 in words is "thirty billion, one hundred twenty million, one hundred two thousand, three hundred twenty-one".