30044345521 has 8 divisors (see below), whose sum is σ = 30467512064. Its totient is φ = 29621492640.

The previous prime is 30044345459. The next prime is 30044345549. The reversal of 30044345521 is 12554344003.

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

It is a cyclic number.

It is not a de Polignac number, because 30044345521 - 2¹¹ = 30044343473 is a prime.

It is a super-2 number, since 2×30044345521² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30044342521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117940 + ... + 272026.

It is an arithmetic number, because the mean of its divisors is an integer number (3808439008).

Almost surely, 2^30044345521 is an apocalyptic number.

It is an amenable number.

30044345521 is a deficient number, since it is larger than the sum of its proper divisors (423166543).

30044345521 is a wasteful number, since it uses less digits than its factorization.

30044345521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156831.

The product of its (nonzero) digits is 28800, while the sum is 31.

Adding to 30044345521 its reverse (12554344003), we get a palindrome (42598689524).

The spelling of 30044345521 in words is "thirty billion, forty-four million, three hundred forty-five thousand, five hundred twenty-one".