30321133424 has 20 divisors (see below), whose sum is σ = 59286164520. Its totient is φ = 15021478080.

The previous prime is 30321133369. The next prime is 30321133429. The reversal of 30321133424 is 42433112303.

It is a super-2 number, since 2×30321133424² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30321133393 and 30321133402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30321133429) 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 3 ways as a sum of consecutive naturals, for example, 8691242 + ... + 8694729.

It is an arithmetic number, because the mean of its divisors is an integer number (2964308226).

Almost surely, 2^30321133424 is an apocalyptic number.

It is an amenable number.

30321133424 is a deficient number, since it is larger than the sum of its proper divisors (28965031096).

30321133424 is a wasteful number, since it uses less digits than its factorization.

30321133424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17386088 (or 17386082 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 30321133424 its reverse (42433112303), we get a palindrome (72754245727).

The spelling of 30321133424 in words is "thirty billion, three hundred twenty-one million, one hundred thirty-three thousand, four hundred twenty-four".