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131201433102320 = 24571713781663141
BaseRepresentation
bin11101110101001110110110…
…110100000110011111110000
3122012112201211110100112112222
4131311032312310012133300
5114144101013333233240
61143013034542540212
736430663551446420
oct3565166664063760
9565481743315488
10131201433102320
11388942406322a9
121286b872597668
13582931ba3b719
14245827cb74480
151027cb4eb6eb5
hex7753b6d067f0

131201433102320 has 80 divisors (see below), whose sum is σ = 369128065595328. Its totient is φ = 42337269166080.

The previous prime is 131201433102277. The next prime is 131201433102407. The reversal of 131201433102320 is 23201334102131.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a self number, because there is not a number n which added to its sum of digits gives 131201433102320.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6890822051 + ... + 6890841090.

Almost surely, 2131201433102320 is an apocalyptic number.

131201433102320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131201433102320 is an abundant number, since it is smaller than the sum of its proper divisors (237926632493008).

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

131201433102320 is a wasteful number, since it uses less digits than its factorization.

131201433102320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13781663178 (or 13781663172 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 131201433102320 its reverse (23201334102131), we get a palindrome (154402767204451).

The spelling of 131201433102320 in words is "one hundred thirty-one trillion, two hundred one billion, four hundred thirty-three million, one hundred two thousand, three hundred twenty".

Divisors: 1 2 4 5 7 8 10 14 16 17 20 28 34 35 40 56 68 70 80 85 112 119 136 140 170 238 272 280 340 476 560 595 680 952 1190 1360 1904 2380 4760 9520 13781663141 27563326282 55126652564 68908315705 96471641987 110253305128 137816631410 192943283974 220506610256 234288273397 275633262820 385886567948 468576546794 482358209935 551266525640 771773135896 937153093588 964716419870 1102533051280 1171441366985 1543546271792 1640017913779 1874306187176 1929432839740 2342882733970 3280035827558 3748612374352 3858865679480 4685765467940 6560071655116 7717731358960 8200089568895 9371530935880 13120143310232 16400179137790 18743061871760 26240286620464 32800358275580 65600716551160 131201433102320