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131413340431442 = 23311663565721101
BaseRepresentation
bin11101111000010100001101…
…011110011010010001010010
3122020021222210122101012212002
4131320110031132122101102
5114211034010122301232
61143254242152234002
736452205040151606
oct3570241536322122
9566258718335762
10131413340431442
11389660a280a073
12128a495199b902
1358432bcc46874
14246462242d506
15102d5689a3b62
hex77850d79a452

131413340431442 has 32 divisors (see below), whose sum is σ = 197878779131904. Its totient is φ = 65454093936000.

The previous prime is 131413340431403. The next prime is 131413340431459. The reversal of 131413340431442 is 244134043314131.

It is a junction number, because it is equal to n+sod(n) for n = 131413340431396 and 131413340431405.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6227814692 + ... + 6227835792.

It is an arithmetic number, because the mean of its divisors is an integer number (6183711847872).

Almost surely, 2131413340431442 is an apocalyptic number.

131413340431442 is a deficient number, since it is larger than the sum of its proper divisors (66465438700462).

131413340431442 is a wasteful number, since it uses less digits than its factorization.

131413340431442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28754.

The product of its (nonzero) digits is 165888, while the sum is 38.

Adding to 131413340431442 its reverse (244134043314131), we get a palindrome (375547383745573).

The spelling of 131413340431442 in words is "one hundred thirty-one trillion, four hundred thirteen billion, three hundred forty million, four hundred thirty-one thousand, four hundred forty-two".

Divisors: 1 2 331 662 1663 3326 5657 11314 21101 42202 550453 1100906 1872467 3744934 6984431 9407591 13968862 18815182 35090963 70181926 119368357 238736714 3113912621 6227825242 11615108753 23230217506 39510926167 79021852334 198509577691 397019155382 65706670215721 131413340431442