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231203310434 = 21929712954977
BaseRepresentation
bin1101011101010011001…
…0101000101101100010
3211002202221211002110122
43113110302220231202
512242001021413214
6254114025200242
722463301466355
oct3272462505542
9732687732418
10231203310434
118a064272168
1238985630082
1318a57a97485
14b29427c29c
156032a3e88e
hex35d4ca8b62

231203310434 has 32 divisors (see below), whose sum is σ = 382965148800. Its totient is φ = 104251553280.

The previous prime is 231203310433. The next prime is 231203310539. The reversal of 231203310434 is 434013302132.

231203310434 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (231203310433) 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, 1399247 + ... + 1555730.

It is an arithmetic number, because the mean of its divisors is an integer number (11967660900).

Almost surely, 2231203310434 is an apocalyptic number.

231203310434 is a deficient number, since it is larger than the sum of its proper divisors (151761838366).

231203310434 is a wasteful number, since it uses less digits than its factorization.

231203310434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2955098.

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 231203310434 its reverse (434013302132), we get a palindrome (665216612566).

The spelling of 231203310434 in words is "two hundred thirty-one billion, two hundred three million, three hundred ten thousand, four hundred thirty-four".

Divisors: 1 2 19 29 38 58 71 142 551 1102 1349 2059 2698 4118 39121 78242 2954977 5909954 56144563 85694333 112289126 171388666 209803367 419606734 1628192327 3256384654 3986263973 6084297643 7972527946 12168595286 115601655217 231203310434