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131020241113140 = 2235173105891192027
BaseRepresentation
bin11101110010100110000110…
…111011100001000000110100
3122011220102010212122210112220
4131302212012323201000310
5114133113423211110030
61142353511241442340
736411620500114251
oct3562460673410064
9564812125583486
10131020241113140
1138824410465aa5
12128407257a03b0
135815204179042
14244d5b0932428
15102320cd06a10
hex772986ee1034

131020241113140 has 96 divisors (see below), whose sum is σ = 369012388832640. Its totient is φ = 34733463384576.

The previous prime is 131020241113057. The next prime is 131020241113183. The reversal of 131020241113140 is 41311142020131.

It is a super-2 number, since 2×1310202411131402 (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 131020241113140.

It is a congruent 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, 109317807 + ... + 110509833.

It is an arithmetic number, because the mean of its divisors is an integer number (3843879050340).

Almost surely, 2131020241113140 is an apocalyptic number.

131020241113140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131020241113140 is an abundant number, since it is smaller than the sum of its proper divisors (237992147719500).

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

131020241113140 is a wasteful number, since it uses less digits than its factorization.

131020241113140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1202801 (or 1202799 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 24.

Adding to 131020241113140 its reverse (41311142020131), we get a palindrome (172331383133271).

The spelling of 131020241113140 in words is "one hundred thirty-one trillion, twenty billion, two hundred forty-one million, one hundred thirteen thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 173 346 519 692 865 1038 1730 2076 2595 3460 5190 10380 10589 21178 31767 42356 52945 63534 105890 127068 158835 211780 317670 635340 1192027 1831897 2384054 3576081 3663794 4768108 5495691 5960135 7152162 7327588 9159485 10991382 11920270 14304324 17880405 18318970 21982764 23840540 27478455 35760810 36637940 54956910 71521620 109913820 206220671 412441342 618662013 824882684 1031103355 1237324026 2062206710 2474648052 3093310065 4124413420 6186620130 12373240260 12622373903 25244747806 37867121709 50489495612 63111869515 75734243418 126223739030 151468486836 189335608545 252447478060 378671217090 757342434180 2183670685219 4367341370438 6551012055657 8734682740876 10918353426095 13102024111314 21836706852190 26204048222628 32755060278285 43673413704380 65510120556570 131020241113140