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131123232134 = 21721731311311
BaseRepresentation
bin111101000011110001…
…1011011110110000110
3110112110012111100102222
41322013203123312012
54122020021412014
6140123121532342
712321233040416
oct1720743336606
9415405440388
10131123232134
1150677712054
12214b4aa40b2
13c4987cab2b
1464bc734646
15362678808e
hex1e878dbd86

131123232134 has 24 divisors (see below), whose sum is σ = 210142993248. Its totient is φ = 61348327040.

The previous prime is 131123232073. The next prime is 131123232137. The reversal of 131123232134 is 431232321131.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131123232137) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 555662 + ... + 755649.

It is an arithmetic number, because the mean of its divisors is an integer number (8755958052).

Almost surely, 2131123232134 is an apocalyptic number.

131123232134 is a deficient number, since it is larger than the sum of its proper divisors (79019761114).

131123232134 is a wasteful number, since it uses less digits than its factorization.

131123232134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1311520 (or 1311503 counting only the distinct ones).

The product of its digits is 2592, while the sum is 26.

Adding to 131123232134 its reverse (431232321131), we get a palindrome (562355553265).

The spelling of 131123232134 in words is "one hundred thirty-one billion, one hundred twenty-three million, two hundred thirty-two thousand, one hundred thirty-four".

Divisors: 1 2 17 34 173 289 346 578 2941 5882 49997 99994 1311311 2622622 22292287 44584574 226856803 378968879 453713606 757937758 3856565651 7713131302 65561616067 131123232134