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131402303210442 = 23116743496832739
BaseRepresentation
bin11101111000001001111011…
…100110110000001111001010
3122020020221022102220022000010
4131320021323212300033022
5114210343404110213232
61143245215034252350
736451334366263665
oct3570117346601712
9566227272808003
10131402303210442
1138961449569620
12128a27915870b6
1358422513b9574
142463c966306dc
15102d11ea110cc
hex77827b9b03ca

131402303210442 has 64 divisors (see below), whose sum is σ = 291041926848000. Its totient is φ = 39215543167680.

The previous prime is 131402303210429. The next prime is 131402303210561. The reversal of 131402303210442 is 244012303204131.

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, 15814909 + ... + 22647647.

It is an arithmetic number, because the mean of its divisors is an integer number (4547530107000).

Almost surely, 2131402303210442 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 131402303210442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (145520963424000).

131402303210442 is an abundant number, since it is smaller than the sum of its proper divisors (159639623637558).

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

131402303210442 is a wasteful number, since it uses less digits than its factorization.

131402303210442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6837171.

The product of its (nonzero) digits is 13824, while the sum is 30.

Adding to 131402303210442 its reverse (244012303204131), we get a palindrome (375414606414573).

The spelling of 131402303210442 in words is "one hundred thirty-one trillion, four hundred two billion, three hundred three million, two hundred ten thousand, four hundred forty-two".

Divisors: 1 2 3 6 11 22 33 66 67 134 201 402 737 1474 2211 4349 4422 8698 13047 26094 47839 95678 143517 287034 291383 582766 874149 1748298 3205213 6410426 6832739 9615639 13665478 19231278 20498217 40996434 75160129 150320258 225480387 450960774 457793513 915587026 1373380539 2746761078 5035728643 10071457286 15107185929 29715581911 30214371858 59431163822 89146745733 178293491466 326871401021 653742802042 980614203063 1961228406126 1990943988037 3981887976074 5972831964111 11945663928222 21900383868407 43800767736814 65701151605221 131402303210442