Search a number
-
+
131000343144443 = 5318127947488633
BaseRepresentation
bin11101110010010011100100…
…111010110010011111111011
3122011211111210011010020221022
4131302103210322302133323
5114132302200321110233
61142340420555133055
736410314424142563
oct3562234472623773
9564744704106838
10131000343144443
1138816a2a595673
12128388b1a4418b
135813382976676
14244c644009da3
151022945ee2398
hex7724e4eb27fb

131000343144443 has 16 divisors (see below), whose sum is σ = 134214539318496. Its totient is φ = 127813700401920.

The previous prime is 131000343144409. The next prime is 131000343144467. The reversal of 131000343144443 is 344441343000131.

It is a cyclic number.

It is not a de Polignac number, because 131000343144443 - 212 = 131000343140347 is a prime.

It is a super-2 number, since 2×1310003431444432 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131000343144493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 267851255 + ... + 268339887.

It is an arithmetic number, because the mean of its divisors is an integer number (8388408707406).

Almost surely, 2131000343144443 is an apocalyptic number.

131000343144443 is a deficient number, since it is larger than the sum of its proper divisors (3214196174053).

131000343144443 is a wasteful number, since it uses less digits than its factorization.

131000343144443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 516814.

The product of its (nonzero) digits is 82944, while the sum is 35.

Adding to 131000343144443 its reverse (344441343000131), we get a palindrome (475441686144574).

The spelling of 131000343144443 in words is "one hundred thirty-one trillion, three hundred forty-three million, one hundred forty-four thousand, four hundred forty-three".

Divisors: 1 53 181 9593 27947 488633 1481191 5058407 25897549 88442573 268095571 4687456369 13655826451 723758801903 2471704587631 131000343144443