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131123232133 = 414677618999
BaseRepresentation
bin111101000011110001…
…1011011110110000101
3110112110012111100102221
41322013203123312011
54122020021412013
6140123121532341
712321233040415
oct1720743336605
9415405440387
10131123232133
1150677712053
12214b4aa40b1
13c4987cab2a
1464bc734645
15362678808d
hex1e878dbd85

131123232133 has 16 divisors (see below), whose sum is σ = 134800848000. Its totient is φ = 127469267200.

The previous prime is 131123232073. The next prime is 131123232137. The reversal of 131123232133 is 331232321131.

It is a cyclic number.

It is not a de Polignac number, because 131123232133 - 221 = 131121134981 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131123232098 and 131123232107.

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 15 ways as a sum of consecutive naturals, for example, 14566368 + ... + 14575366.

It is an arithmetic number, because the mean of its divisors is an integer number (8425053000).

Almost surely, 2131123232133 is an apocalyptic number.

It is an amenable number.

131123232133 is a deficient number, since it is larger than the sum of its proper divisors (3677615867).

131123232133 is an equidigital number, since it uses as much as digits as its factorization.

131123232133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10268.

The product of its digits is 1944, while the sum is 25.

Adding to 131123232133 its reverse (331232321131), we get a palindrome (462355553264).

The spelling of 131123232133 in words is "one hundred thirty-one billion, one hundred twenty-three million, two hundred thirty-two thousand, one hundred thirty-three".

Divisors: 1 41 467 761 8999 19147 31201 355387 368959 4202533 6848239 14570867 172303853 280777799 3198127613 131123232133