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131012201140422 = 23761181312820401
BaseRepresentation
bin11101110010011110100111…
…101101011101000011000110
3122011212122101120000212101120
4131302132213231131003012
5114133000441442443142
61142350101353134410
736411214322351460
oct3562364755350306
9564778346025346
10131012201140422
1138820a65076548
121283b0610ba406
13581452257b934
14244d04ac21130
151022ddc0627ec
hex7727a7b5d0c6

131012201140422 has 64 divisors (see below), whose sum is σ = 304382476988928. Its totient is φ = 36816373440000.

The previous prime is 131012201140333. The next prime is 131012201140423. The reversal of 131012201140422 is 224041102210131.

It is a junction number, because it is equal to n+sod(n) for n = 131012201140392 and 131012201140401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131012201140423) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 45041422 + ... + 47861822.

It is an arithmetic number, because the mean of its divisors is an integer number (4755976202952).

Almost surely, 2131012201140422 is an apocalyptic number.

131012201140422 is an abundant number, since it is smaller than the sum of its proper divisors (173370275848506).

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

131012201140422 is a wasteful number, since it uses less digits than its factorization.

131012201140422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2838605.

The product of its (nonzero) digits is 768, while the sum is 24.

Adding to 131012201140422 its reverse (224041102210131), we get a palindrome (355053303350553).

The spelling of 131012201140422 in words is "one hundred thirty-one trillion, twelve billion, two hundred one million, one hundred forty thousand, four hundred twenty-two".

Divisors: 1 2 3 6 7 14 21 42 61 122 183 366 427 854 1281 2562 18131 36262 54393 108786 126917 253834 380751 761502 1105991 2211982 2820401 3317973 5640802 6635946 7741937 8461203 15483874 16922406 19742807 23225811 39485614 46451622 59228421 118456842 172044461 344088922 516133383 1032266766 1204311227 2408622454 3612933681 7225867362 51136690531 102273381062 153410071593 306820143186 357956833717 715913667434 1073870501151 2147741002302 3119338122391 6238676244782 9358014367173 18716028734346 21835366856737 43670733713474 65506100570211 131012201140422