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131143134323430 = 2345473444789449
BaseRepresentation
bin11101110100011000100011…
…111011111010001011100110
3122012100011100111220201110000
4131310120203323322023212
5114142122114341322210
61142530154005442130
736423531060141135
oct3564304373721346
9565304314821400
10131143134323430
11388715444818a9
1212860502410346
13582398a897858
14245550c20391c
151026501ca9ac0
hex774623efa2e6

131143134323430 has 80 divisors (see below), whose sum is σ = 360132068260800. Its totient is φ = 34227427955328.

The previous prime is 131143134323371. The next prime is 131143134323449. The reversal of 131143134323430 is 34323431341131.

131143134323430 is a `hidden beast` number, since 1 + 3 + 1 + 14 + 313 + 4 + 323 + 4 + 3 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1722356655 + ... + 1722432794.

It is an arithmetic number, because the mean of its divisors is an integer number (4501650853260).

Almost surely, 2131143134323430 is an apocalyptic number.

131143134323430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131143134323430 is an abundant number, since it is smaller than the sum of its proper divisors (228988933937370).

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

131143134323430 is a wasteful number, since it uses less digits than its factorization.

131143134323430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3444789515 (or 3444789506 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 36.

Adding to 131143134323430 its reverse (34323431341131), we get a palindrome (165466565664561).

The spelling of 131143134323430 in words is "one hundred thirty-one trillion, one hundred forty-three billion, one hundred thirty-four million, three hundred twenty-three thousand, four hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 27 30 45 47 54 81 90 94 135 141 162 235 270 282 405 423 470 705 810 846 1269 1410 2115 2538 3807 4230 6345 7614 12690 19035 38070 3444789449 6889578898 10334368347 17223947245 20668736694 31003105041 34447894490 51671841735 62006210082 93009315123 103343683470 155015525205 161905104103 186018630246 279027945369 310031050410 323810208206 465046575615 485715312309 558055890738 809525520515 930093151230 971430624618 1395139726845 1457145936927 1619051041030 2428576561545 2790279453690 2914291873854 4371437810781 4857153123090 7285729684635 8742875621562 13114313432343 14571459369270 21857189053905 26228626864686 43714378107810 65571567161715 131143134323430