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231303100132 = 221347853110951
BaseRepresentation
bin1101011101101010111…
…1010011011011100100
3211010000220120221012101
43113122233103123210
512242202043201012
6254131552101444
722465622624416
oct3273257233344
9733026527171
10231303100132
118a10562a695
12389b2b34884
1318a72666330
14b2a36169b6
15603b6a1d57
hex35dabd36e4

231303100132 has 48 divisors (see below), whose sum is σ = 445718149632. Its totient is φ = 104360457600.

The previous prime is 231303100129. The next prime is 231303100139. The reversal of 231303100132 is 231001303132.

It is a super-2 number, since 2×2313031001322 (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (231303100139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2029257 + ... + 2140207.

It is an arithmetic number, because the mean of its divisors is an integer number (9285794784).

Almost surely, 2231303100132 is an apocalyptic number.

It is an amenable number.

231303100132 is a deficient number, since it is larger than the sum of its proper divisors (214415049500).

231303100132 is a wasteful number, since it uses less digits than its factorization.

231303100132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111868 (or 111866 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 231303100132 its reverse (231001303132), we get a palindrome (462304403264).

The spelling of 231303100132 in words is "two hundred thirty-one billion, three hundred three million, one hundred thousand, one hundred thirty-two".

Divisors: 1 2 4 13 26 47 52 94 188 611 853 1222 1706 2444 3412 11089 22178 40091 44356 80182 110951 160364 221902 443804 521183 1042366 1442363 2084732 2884726 5214697 5769452 10429394 20858788 67791061 94641203 135582122 189282406 271164244 378564812 1230335639 2460671278 4448136541 4921342556 8896273082 17792546164 57825775033 115651550066 231303100132