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231303001023 = 32101357171257
BaseRepresentation
bin1101011101101010111…
…0111011001110111111
3211010000220101220020200
43113122232323032333
512242202032013043
6254131550014543
722465622032443
oct3273256731677
9733026356220
10231303001023
118a105572186
12389b2aa7453
1318a726301a3
14b2a35cc823
15603b6827d3
hex35dabbb3bf

231303001023 has 24 divisors (see below), whose sum is σ = 337511521776. Its totient is φ = 152630352000.

The previous prime is 231303001019. The next prime is 231303001063. The reversal of 231303001023 is 320100303132.

231303001023 is a `hidden beast` number, since 231 + 30 + 300 + 102 + 3 = 666.

It is not a de Polignac number, because 231303001023 - 22 = 231303001019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 231303000987 and 231303001005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231303001003) 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, 3210411 + ... + 3281667.

It is an arithmetic number, because the mean of its divisors is an integer number (14062980074).

Almost surely, 2231303001023 is an apocalyptic number.

231303001023 is a deficient number, since it is larger than the sum of its proper divisors (106208520753).

231303001023 is a wasteful number, since it uses less digits than its factorization.

231303001023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74935 (or 74932 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 231303001023 its reverse (320100303132), we get a palindrome (551403304155).

The spelling of 231303001023 in words is "two hundred thirty-one billion, three hundred three million, one thousand, twenty-three".

Divisors: 1 3 9 101 303 909 3571 10713 32139 71257 213771 360671 641313 1082013 3246039 7196957 21590871 64772613 254458747 763376241 2290128723 25700333447 77101000341 231303001023