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231303002232 = 23324593919327
BaseRepresentation
bin1101011101101010111…
…0111011100001111000
3211010000220101221220110
43113122232323201320
512242202032032412
6254131550024320
722465622036121
oct3273256734170
9733026357813
10231303002232
118a105573085
12389b2aa80a0
1318a726308c3
14b2a35cd048
15603b682d3c
hex35dabbb878

231303002232 has 32 divisors (see below), whose sum is σ = 578492812800. Its totient is φ = 77069626464.

The previous prime is 231303002107. The next prime is 231303002243. The reversal of 231303002232 is 232200303132.

It is a junction number, because it is equal to n+sod(n) for n = 231303002199 and 231303002208.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1900648 + ... + 2018679.

It is an arithmetic number, because the mean of its divisors is an integer number (18077900400).

Almost surely, 2231303002232 is an apocalyptic number.

It is an amenable number.

231303002232 is an abundant number, since it is smaller than the sum of its proper divisors (347189810568).

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

231303002232 is a wasteful number, since it uses less digits than its factorization.

231303002232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3921795 (or 3921791 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 231303002232 its reverse (232200303132), we get a palindrome (463503305364).

The spelling of 231303002232 in words is "two hundred thirty-one billion, three hundred three million, two thousand, two hundred thirty-two".

Divisors: 1 2 3 4 6 8 12 24 2459 4918 7377 9836 14754 19672 29508 59016 3919327 7838654 11757981 15677308 23515962 31354616 47031924 94063848 9637625093 19275250186 28912875279 38550500372 57825750558 77101000744 115651501116 231303002232