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131142131223443 = 614372149172503
BaseRepresentation
bin11101110100010111101000…
…001001011000101110010011
3122012100001202121101221221122
4131310113220021120232103
5114142113041043122233
61142525510253512455
736423464160006314
oct3564275011305623
9565301677357848
10131142131223443
113887107a230a4a
12128602824a272b
13582385ab13672
142455454cca60b
151026493bb4d98
hex7745e8258b93

131142131223443 has 8 divisors (see below), whose sum is σ = 133295053633056. Its totient is φ = 128989307246400.

The previous prime is 131142131223421. The next prime is 131142131223451. The reversal of 131142131223443 is 344322131241131.

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

It is a cyclic number.

It is not a de Polignac number, because 131142131223443 - 26 = 131142131223379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131142137223443) 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, 21919271 + ... + 27253232.

It is an arithmetic number, because the mean of its divisors is an integer number (16661881704132).

Almost surely, 2131142131223443 is an apocalyptic number.

131142131223443 is a deficient number, since it is larger than the sum of its proper divisors (2152922409613).

131142131223443 is an equidigital number, since it uses as much as digits as its factorization.

131142131223443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49216285.

The product of its digits is 41472, while the sum is 35.

Adding to 131142131223443 its reverse (344322131241131), we get a palindrome (475464262464574).

The spelling of 131142131223443 in words is "one hundred thirty-one trillion, one hundred forty-two billion, one hundred thirty-one million, two hundred twenty-three thousand, four hundred forty-three".

Divisors: 1 61 43721 2666981 49172503 2999522683 2149871003663 131142131223443