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212032203231 = 31747373237151
BaseRepresentation
bin1100010101111000011…
…0101010100111011111
3202021021212222221101010
43011132012222213133
511433220221000411
6241223425550303
721214232663502
oct3053606524737
9667255887333
10212032203231
1181a16718612
12351151a5393
1316cc104a764
14a3960c3139
1557ae9567a6
hex315e1aa9df

212032203231 has 32 divisors (see below), whose sum is σ = 306529394688. Its totient is φ = 129859545600.

The previous prime is 212032203211. The next prime is 212032203259. The reversal of 212032203231 is 132302230212.

It is a happy number.

It is not a de Polignac number, because 212032203231 - 25 = 212032203199 is a prime.

It is a super-2 number, since 2×2120322032312 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 212032203198 and 212032203207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212032203211) 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, 775506 + ... + 1012656.

It is an arithmetic number, because the mean of its divisors is an integer number (9579043584).

Almost surely, 2212032203231 is an apocalyptic number.

212032203231 is a deficient number, since it is larger than the sum of its proper divisors (94497191457).

212032203231 is a wasteful number, since it uses less digits than its factorization.

212032203231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237591.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 212032203231 its reverse (132302230212), we get a palindrome (344334433443).

The spelling of 212032203231 in words is "two hundred twelve billion, thirty-two million, two hundred three thousand, two hundred thirty-one".

Divisors: 1 3 17 47 51 141 373 799 1119 2397 6341 17531 19023 52593 237151 298027 711453 894081 4031567 11146097 12094701 33438291 88457323 189483649 265371969 568450947 1503774491 4157494181 4511323473 12472482543 70677401077 212032203231