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232243021231 = 131129148910627
BaseRepresentation
bin1101100001001011000…
…0110100010110101111
3211012110102012212112221
43120102300310112233
512301113203134411
6254405125540211
722531125052234
oct3302260642657
9735412185487
10232243021231
118a548149291
1239015874667
1318b922c9670
14b3523a578b
156093e67071
hex3612c345af

232243021231 has 16 divisors (see below), whose sum is σ = 250521090400. Its totient is φ = 214024301568.

The previous prime is 232243021217. The next prime is 232243021259. The reversal of 232243021231 is 132120342232.

232243021231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 232243021231 - 27 = 232243021103 is a prime.

It is a super-2 number, since 2×2322430212312 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 232243021196 and 232243021205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232243021201) 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 15 ways as a sum of consecutive naturals, for example, 21848740 + ... + 21859366.

It is an arithmetic number, because the mean of its divisors is an integer number (15657568150).

Almost surely, 2232243021231 is an apocalyptic number.

232243021231 is a deficient number, since it is larger than the sum of its proper divisors (18278069169).

232243021231 is a wasteful number, since it uses less digits than its factorization.

232243021231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13258.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 232243021231 its reverse (132120342232), we get a palindrome (364363363463).

The spelling of 232243021231 in words is "two hundred thirty-two billion, two hundred forty-three million, twenty-one thousand, two hundred thirty-one".

Divisors: 1 13 1129 1489 10627 14677 19357 138151 1681081 11997883 15823603 21854053 155972479 205706839 17864847787 232243021231