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30234402231 = 3111978775303
BaseRepresentation
bin11100001010000111…
…000101110110110111
32220001002100202210020
4130022013011312313
5443410001332411
621520044100223
72120144115165
oct341207056667
986032322706
1030234402231
1111905593990
125a39534673
132b0ab06047
14166b624235
15bbe4cb606
hex70a1c5db7

30234402231 has 32 divisors (see below), whose sum is σ = 44259291648. Its totient is φ = 18206643840.

The previous prime is 30234402227. The next prime is 30234402257. The reversal of 30234402231 is 13220443203.

It is not a de Polignac number, because 30234402231 - 22 = 30234402227 is a prime.

It is a super-2 number, since 2×302344022312 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30234402271) 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 31 ways as a sum of consecutive naturals, for example, 5698726 + ... + 5704028.

It is an arithmetic number, because the mean of its divisors is an integer number (1383102864).

Almost surely, 230234402231 is an apocalyptic number.

30234402231 is a deficient number, since it is larger than the sum of its proper divisors (14024889417).

30234402231 is a wasteful number, since it uses less digits than its factorization.

30234402231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6391.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 30234402231 its reverse (13220443203), we get a palindrome (43454845434).

The spelling of 30234402231 in words is "thirty billion, two hundred thirty-four million, four hundred two thousand, two hundred thirty-one".

Divisors: 1 3 11 33 197 591 877 2167 2631 5303 6501 9647 15909 28941 58333 172769 174999 518307 1044691 1900459 3134073 4650731 5701377 11491601 13952193 34474803 51158041 153474123 916194007 2748582021 10078134077 30234402231