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131002110 = 2345161731
BaseRepresentation
bin1111100111011…
…10111011111110
3100010111121010000
413303232323332
5232014031420
620555455130
73150333231
oct763567376
9303447100
10131002110
1167a46908
1237a574a6
13211a9955
1413581418
15b77a690
hex7ceeefe

131002110 has 40 divisors (see below), whose sum is σ = 352252296. Its totient is φ = 34933680.

The previous prime is 131002103. The next prime is 131002111. The reversal of 131002110 is 11200131.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 131002092 and 131002101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131002111) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 80056 + ... + 81675.

Almost surely, 2131002110 is an apocalyptic number.

131002110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131002110 is an abundant number, since it is smaller than the sum of its proper divisors (221250186).

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

131002110 is a wasteful number, since it uses less digits than its factorization.

131002110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161750 (or 161741 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

The square root of 131002110 is about 11445.6153176664. The cubic root of 131002110 is about 507.8780345592.

Adding to 131002110 its reverse (11200131), we get a palindrome (142202241).

The spelling of 131002110 in words is "one hundred thirty-one million, two thousand, one hundred ten".

Divisors: 1 2 3 5 6 9 10 15 18 27 30 45 54 81 90 135 162 270 405 810 161731 323462 485193 808655 970386 1455579 1617310 2425965 2911158 4366737 4851930 7277895 8733474 13100211 14555790 21833685 26200422 43667370 65501055 131002110