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231303443214 = 23317321617883
BaseRepresentation
bin1101011101101011000…
…0100111001100001110
3211010000221020100211010
43113122300213030032
512242202140140324
6254132003310050
722465625553564
oct3273260471416
9733027210733
10231303443214
118a105844428
12389b307b326
1318a7275653c
14b2a36a5a34
15603b71d829
hex35dac2730e

231303443214 has 64 divisors (see below), whose sum is σ = 484356630528. Its totient is φ = 73548518400.

The previous prime is 231303443213. The next prime is 231303443251. The reversal of 231303443214 is 412344303132.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231303443213) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29338117 + ... + 29345999.

It is an arithmetic number, because the mean of its divisors is an integer number (7568072352).

Almost surely, 2231303443214 is an apocalyptic number.

231303443214 is an abundant number, since it is smaller than the sum of its proper divisors (253053187314).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

231303443214 is a wasteful number, since it uses less digits than its factorization.

231303443214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10153.

The product of its (nonzero) digits is 20736, while the sum is 30.

Adding to 231303443214 its reverse (412344303132), we get a palindrome (643647746346).

The spelling of 231303443214 in words is "two hundred thirty-one billion, three hundred three million, four hundred forty-three thousand, two hundred fourteen".

Divisors: 1 2 3 6 31 62 73 93 146 186 219 438 2161 2263 4322 4526 6483 6789 7883 12966 13578 15766 23649 47298 66991 133982 157753 200973 244373 315506 401946 473259 488746 575459 733119 946518 1150918 1466238 1726377 3452754 4890343 9780686 14671029 17035163 17839229 29342058 34070326 35678458 51105489 53517687 102210978 107035374 528090053 1056180106 1243566899 1584270159 2487133798 3168540318 3730700697 7461401394 38550573869 77101147738 115651721607 231303443214