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32131321230 = 2351922966881
BaseRepresentation
bin11101111011001011…
…010000110110001110
310001221021202020110110
4131323023100312032
51011301104234410
622432205420450
72215146503241
oct357313206616
9101837666413
1032131321230
1112699325238
12628886a726
133050acb418
1417ab529258
15c80ccb720
hex77b2d0d8e

32131321230 has 48 divisors (see below), whose sum is σ = 81387507024. Its totient is φ = 8117383680.

The previous prime is 32131321213. The next prime is 32131321267. The reversal of 32131321230 is 3212313123.

It is a junction number, because it is equal to n+sod(n) for n = 32131321197 and 32131321206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1472611 + ... + 1494270.

It is an arithmetic number, because the mean of its divisors is an integer number (1695573063).

Almost surely, 232131321230 is an apocalyptic number.

32131321230 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

32131321230 is an abundant number, since it is smaller than the sum of its proper divisors (49256185794).

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

32131321230 is a wasteful number, since it uses less digits than its factorization.

32131321230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2966929 (or 2966910 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 32131321230 its reverse (3212313123), we get a palindrome (35343634353).

The spelling of 32131321230 in words is "thirty-two billion, one hundred thirty-one million, three hundred twenty-one thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 15 19 30 38 57 95 114 190 285 361 570 722 1083 1805 2166 3610 5415 10830 2966881 5933762 8900643 14834405 17801286 29668810 44503215 56370739 89006430 112741478 169112217 281853695 338224434 563707390 845561085 1071044041 1691122170 2142088082 3213132123 5355220205 6426264246 10710440410 16065660615 32131321230