30444143121 has 12 divisors (see below), whose sum is σ = 50256998272. Its totient is φ = 17396653176.

The previous prime is 30444143113. The next prime is 30444143143. The reversal of 30444143121 is 12134144403.

30444143121 is a `hidden beast` number, since 304 + 4 + 41 + 4 + 312 + 1 = 666.

It is not a de Polignac number, because 30444143121 - 2³ = 30444143113 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (30444143621) 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, 241620121 + ... + 241620246.

Almost surely, 2^30444143121 is an apocalyptic number.

It is an amenable number.

30444143121 is a deficient number, since it is larger than the sum of its proper divisors (19812855151).

30444143121 is a wasteful number, since it uses less digits than its factorization.

30444143121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 483240380 (or 483240377 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 30444143121 its reverse (12134144403), we get a palindrome (42578287524).

The spelling of 30444143121 in words is "thirty billion, four hundred forty-four million, one hundred forty-three thousand, one hundred twenty-one".