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30231223131321 = 3221124166056219
BaseRepresentation
bin1101101111110110000010…
…10100001101110010111001
310222001002001220210212002200
412313323001110031302321
512430302021110200241
6144144010541220413
76240063614520462
oct667730124156271
9128032056725080
1030231223131321
1196a5a98370a13
12348301b561709
1313b3a3b356454
147672b0107d69
153765b44314b6
hex1b7ec150dcb9

30231223131321 has 24 divisors (see below), whose sum is σ = 44056328041440. Its totient is φ = 19975400323200.

The previous prime is 30231223131251. The next prime is 30231223131331. The reversal of 30231223131321 is 12313132213203.

30231223131321 is a `hidden beast` number, since 3 + 0 + 2 + 3 + 1 + 22 + 313 + 1 + 321 = 666.

It is not a de Polignac number, because 30231223131321 - 217 = 30231223000249 is a prime.

It is a super-2 number, since 2×302312231313212 (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30231223131331) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32570451 + ... + 33485768.

It is an arithmetic number, because the mean of its divisors is an integer number (1835680335060).

Almost surely, 230231223131321 is an apocalyptic number.

It is an amenable number.

30231223131321 is a deficient number, since it is larger than the sum of its proper divisors (13825104910119).

30231223131321 is a wasteful number, since it uses less digits than its factorization.

30231223131321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66056677 (or 66056674 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

Adding to 30231223131321 its reverse (12313132213203), we get a palindrome (42544355344524).

The spelling of 30231223131321 in words is "thirty trillion, two hundred thirty-one billion, two hundred twenty-three million, one hundred thirty-one thousand, three hundred twenty-one".

Divisors: 1 3 9 211 241 633 723 1899 2169 50851 152553 457659 66056219 198168657 594505971 13937862209 15919548779 41813586627 47758646337 125440759881 143275939011 3359024792369 10077074377107 30231223131321