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131443440102331 = 71713952315194117
BaseRepresentation
bin11101111000110000001111…
…100011100010101110111011
3122020101212111100012220222121
4131320300033203202232323
5114212032131131233311
61143320141024502111
736454321660142260
oct3570601743425673
9566355440186877
10131443440102331
113897793923a335
12128aa75217a937
1358460a8b68706
142465c79bc1267
15102e22b219b71
hex778c0f8e2bbb

131443440102331 has 32 divisors (see below), whose sum is σ = 160508231493120. Its totient is φ = 105074240656896.

The previous prime is 131443440102281. The next prime is 131443440102347. The reversal of 131443440102331 is 133201044344131.

It is not a de Polignac number, because 131443440102331 - 233 = 131434850167739 is a prime.

It is a super-2 number, since 2×1314434401023312 (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (131443440132331) 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, 1053885 + ... + 16248001.

It is an arithmetic number, because the mean of its divisors is an integer number (5015882234160).

Almost surely, 2131443440102331 is an apocalyptic number.

131443440102331 is a deficient number, since it is larger than the sum of its proper divisors (29064791390789).

131443440102331 is a wasteful number, since it uses less digits than its factorization.

131443440102331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15194803.

The product of its (nonzero) digits is 41472, while the sum is 34.

Adding to 131443440102331 its reverse (133201044344131), we get a palindrome (264644484446462).

The spelling of 131443440102331 in words is "one hundred thirty-one trillion, four hundred forty-three billion, four hundred forty million, one hundred two thousand, three hundred thirty-one".

Divisors: 1 7 17 119 139 523 973 2363 3661 8891 16541 62237 72697 508879 1235849 8650943 15194117 106358819 258299989 1808099923 2111982263 7946523191 14783875841 35903698471 55625662337 135090894247 251325889297 945636259729 1104566723549 7731967064843 18777634300333 131443440102331