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3243432231 = 32131091971291
BaseRepresentation
bin1100000101010010…
…1101100100100111
322101001002102120200
43001110231210213
523120304312411
61253502001543
7143242501434
oct30124554447
98331072520
103243432231
111414918706
127662762b3
133c8c67690
1422aa92b8b
1513eb2be56
hexc152d927

3243432231 has 48 divisors (see below), whose sum is σ = 5121436320. Its totient is φ = 1966083840.

The previous prime is 3243432229. The next prime is 3243432233. The reversal of 3243432231 is 1322343423.

3243432231 is a `hidden beast` number, since 3 + 2 + 434 + 3 + 223 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (3243432229) and next prime (3243432233).

It is not a de Polignac number, because 3243432231 - 21 = 3243432229 is a prime.

It is a super-2 number, since 2×32434322312 = 21039705274179274722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3243432195 and 3243432204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3243432233) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2511696 + ... + 2512986.

It is an arithmetic number, because the mean of its divisors is an integer number (106696590).

Almost surely, 23243432231 is an apocalyptic number.

3243432231 is a deficient number, since it is larger than the sum of its proper divisors (1878004089).

3243432231 is a wasteful number, since it uses less digits than its factorization.

3243432231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1616 (or 1613 counting only the distinct ones).

The product of its digits is 10368, while the sum is 27.

The square root of 3243432231 is about 56951.1389789528. The cubic root of 3243432231 is about 1480.2495669657.

Adding to 3243432231 its reverse (1322343423), we get a palindrome (4565775654).

The spelling of 3243432231 in words is "three billion, two hundred forty-three million, four hundred thirty-two thousand, two hundred thirty-one".

Divisors: 1 3 9 13 39 109 117 197 327 591 981 1291 1417 1773 2561 3873 4251 7683 11619 12753 16783 21473 23049 50349 64419 140719 151047 193257 254327 279149 422157 762981 837447 1266471 1829347 2288943 2512341 3306251 5488041 9918753 16464123 27721643 29756259 83164929 249494787 360381359 1081144077 3243432231