Search a number
-
+
30231330321 = 325213997267
BaseRepresentation
bin11100001001111011…
…010111111000010001
32220000212120200220210
4130021323113320101
5443403210032241
621515454154333
72120106032163
oct341173277021
986025520823
1030231330321
1111903885a15
125a384b29a9
132b0a29ba4a
14166b064933
15bbe0c1316
hex709ed7e11

30231330321 has 8 divisors (see below), whose sum is σ = 40324439584. Its totient is φ = 20146220640.

The previous prime is 30231330313. The next prime is 30231330329. The reversal of 30231330321 is 12303313203.

It is an interprime number because it is at equal distance from previous prime (30231330313) and next prime (30231330329).

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

It is not a de Polignac number, because 30231330321 - 23 = 30231330313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30231330329) 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, 1991071 + ... + 2006196.

It is an arithmetic number, because the mean of its divisors is an integer number (5040554948).

Almost surely, 230231330321 is an apocalyptic number.

It is an amenable number.

30231330321 is a deficient number, since it is larger than the sum of its proper divisors (10093109263).

30231330321 is a wasteful number, since it uses less digits than its factorization.

30231330321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3999791.

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 30231330321 its reverse (12303313203), we get a palindrome (42534643524).

The spelling of 30231330321 in words is "thirty billion, two hundred thirty-one million, three hundred thirty thousand, three hundred twenty-one".

Divisors: 1 3 2521 7563 3997267 11991801 10077110107 30231330321