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131323020324 = 2231011316731229
BaseRepresentation
bin111101001001101110…
…1100100010000100100
3110112222010102122022120
41322103131210100210
54122422143122244
6140155020025540
712326210153316
oct1722335442044
9415863378276
10131323020324
115076a46a961
122154b9922b0
13c4cb00c8b2
1464db09d7b6
15363909e819
hex1e93764424

131323020324 has 96 divisors (see below), whose sum is σ = 312533907840. Its totient is φ = 42911232000.

The previous prime is 131323020317. The next prime is 131323020341. The reversal of 131323020324 is 423020323131.

It is a junction number, because it is equal to n+sod(n) for n = 131323020294 and 131323020303.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 106852942 + ... + 106854170.

It is an arithmetic number, because the mean of its divisors is an integer number (3255561540).

Almost surely, 2131323020324 is an apocalyptic number.

It is an amenable number.

131323020324 is an abundant number, since it is smaller than the sum of its proper divisors (181210887516).

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

131323020324 is a wasteful number, since it uses less digits than its factorization.

131323020324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2141 (or 2139 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 131323020324 its reverse (423020323131), we get a palindrome (554343343455).

The spelling of 131323020324 in words is "one hundred thirty-one billion, three hundred twenty-three million, twenty thousand, three hundred twenty-four".

Divisors: 1 2 3 4 6 12 101 131 202 262 303 393 404 524 606 673 786 1212 1229 1346 1572 2019 2458 2692 3687 4038 4916 7374 8076 13231 14748 26462 39693 52924 67973 79386 88163 124129 135946 158772 160999 176326 203919 248258 264489 271892 321998 352652 372387 407838 482997 496516 528978 643996 744774 815676 827117 965994 1057956 1489548 1654234 1931988 2481351 3308468 4962702 8904463 9925404 16260899 17808926 26713389 32521798 35617852 48782697 53426778 65043596 83538817 97565394 106853556 108352327 167077634 195130788 216704654 250616451 325056981 334155268 433409308 501232902 650113962 1002465804 1300227924 10943585027 21887170054 32830755081 43774340108 65661510162 131323020324