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131303110123020 = 2235111318715086381
BaseRepresentation
bin11101110110101101100011…
…001111001001111000001100
3122012220110021111121100201110
4131312231203033021320030
5114202232232142414040
61143131452134212020
736441223321042203
oct3566554317117014
9565813244540643
10131303110123020
1138923377665920
1212887509ab4010
135835aa3b101b4
14245d16681823a
15102a766566980
hex776b633c9e0c

131303110123020 has 96 divisors (see below), whose sum is σ = 401101758925056. Its totient is φ = 31828641068800.

The previous prime is 131303110122937. The next prime is 131303110123093. The reversal of 131303110123020 is 20321011303131.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1160230 + ... + 16246610.

It is an arithmetic number, because the mean of its divisors is an integer number (4178143322136).

Almost surely, 2131303110123020 is an apocalyptic number.

131303110123020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131303110123020 is an abundant number, since it is smaller than the sum of its proper divisors (269798648802036).

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

131303110123020 is a wasteful number, since it uses less digits than its factorization.

131303110123020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15099591 (or 15099589 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 131303110123020 its reverse (20321011303131), we get a palindrome (151624121426151).

The spelling of 131303110123020 in words is "one hundred thirty-one trillion, three hundred three billion, one hundred ten million, one hundred twenty-three thousand, twenty".

Divisors: 1 2 3 4 5 6 10 11 12 15 20 22 30 33 44 55 60 66 110 132 165 220 330 660 13187 26374 39561 52748 65935 79122 131870 145057 158244 197805 263740 290114 395610 435171 580228 725285 791220 870342 1450570 1740684 2175855 2901140 4351710 8703420 15086381 30172762 45259143 60345524 75431905 90518286 150863810 165950191 181036572 226295715 301727620 331900382 452591430 497850573 663800764 829750955 905182860 995701146 1659501910 1991402292 2489252865 3319003820 4978505730 9957011460 198944106247 397888212494 596832318741 795776424988 994720531235 1193664637482 1989441062470 2188385168717 2387329274964 2984161593705 3978882124940 4376770337434 5968323187410 6565155506151 8753540674868 10941925843585 11936646374820 13130311012302 21883851687170 26260622024604 32825777530755 43767703374340 65651555061510 131303110123020