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131342434143 = 389491919229
BaseRepresentation
bin111101001010010011…
…1100111111101011111
3110120000110221222001220
41322110213213331133
54122442130343033
6140200552104423
712326534161344
oct1722447477537
9416013858056
10131342434143
115077a41a838
1221556395113
13c50204926b
1464dd8b47cb
15363ab36bb3
hex1e949e7f5f

131342434143 has 8 divisors (see below), whose sum is σ = 177090922800. Its totient is φ = 86577784128.

The previous prime is 131342434133. The next prime is 131342434177. The reversal of 131342434143 is 341434243131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 131342434143 - 24 = 131342434127 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131342434133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 245959348 + ... + 245959881.

It is an arithmetic number, because the mean of its divisors is an integer number (22136365350).

Almost surely, 2131342434143 is an apocalyptic number.

131342434143 is a deficient number, since it is larger than the sum of its proper divisors (45748488657).

131342434143 is an equidigital number, since it uses as much as digits as its factorization.

131342434143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 491919321.

The product of its digits is 41472, while the sum is 33.

Adding to 131342434143 its reverse (341434243131), we get a palindrome (472776677274).

The spelling of 131342434143 in words is "one hundred thirty-one billion, three hundred forty-two million, four hundred thirty-four thousand, one hundred forty-three".

Divisors: 1 3 89 267 491919229 1475757687 43780811381 131342434143