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131123043224030 = 251113472677772859
BaseRepresentation
bin11101110100000101110110…
…011010011100100111011110
3122012021020111022222010022102
4131310011312122130213132
5114141304443031132110
61142513032223445102
736422220150462254
oct3564056632344736
9565236438863272
10131123043224030
1138863a74590520
1212858635a56792
135821b08374760
142454563ba65d4
151025c280465a5
hex77417669c9de

131123043224030 has 128 divisors (see below), whose sum is σ = 283198095452160. Its totient is φ = 43074675440640.

The previous prime is 131123043224029. The next prime is 131123043224039. The reversal of 131123043224030 is 30422340321131.

It is a junction number, because it is equal to n+sod(n) for n = 131123043223984 and 131123043224002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131123043224039) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1799645741 + ... + 1799718599.

It is an arithmetic number, because the mean of its divisors is an integer number (2212485120720).

Almost surely, 2131123043224030 is an apocalyptic number.

131123043224030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131123043224030 is an abundant number, since it is smaller than the sum of its proper divisors (152075052228130).

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

131123043224030 is a wasteful number, since it uses less digits than its factorization.

131123043224030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99714.

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 131123043224030 its reverse (30422340321131), we get a palindrome (161545383545161).

The spelling of 131123043224030 in words is "one hundred thirty-one trillion, one hundred twenty-three billion, forty-three million, two hundred twenty-four thousand, thirty".

Divisors: 1 2 5 10 11 13 22 26 47 55 65 94 110 130 143 235 286 470 517 611 715 1034 1222 1430 2585 3055 5170 6110 6721 13442 26777 33605 53554 67210 72859 133885 145718 267770 294547 348101 364295 589094 696202 728590 801449 947167 1258519 1472735 1602898 1740505 1894334 2517038 2945470 3424373 3481010 3829111 4007245 4735835 6292595 6848746 7658222 8014490 9471670 10418837 12585190 13843709 16360747 17121865 19145555 20837674 27687418 32721494 34243730 37668103 38291110 44516849 52094185 69218545 75336206 81803735 89033698 104188370 138437090 163607470 179968217 188340515 222584245 359936434 376681030 445168490 489685339 899841085 979370678 1799682170 1950945443 2448426695 3901890886 4896853390 9754727215 19509454430 21460399873 25362290759 42920799746 50724581518 91694435821 107301999365 126811453795 183388871642 214603998730 253622907590 278985198349 458472179105 557970396698 916944358210 1008638794031 1192027665673 1394925991745 2017277588062 2384055331346 2789851983490 5043193970155 5960138328365 10086387940310 11920276656730 13112304322403 26224608644806 65561521612015 131123043224030