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131423432113441 = 1359219170713703
BaseRepresentation
bin11101111000011101100110…
…111111000111110100100001
3122020022221211221122210001001
4131320131212333013310201
5114211220142110112231
61143303031412112001
736453013110063166
oct3570354677076441
9566287757583031
10131423432113441
113896a401254126
12128a68a9605601
13584423a924730
142464cdc81a06d
15102d959921b61
hex778766fc7d21

131423432113441 has 8 divisors (see below), whose sum is σ = 141535317712320. Its totient is φ = 121311888060432.

The previous prime is 131423432113319. The next prime is 131423432113453. The reversal of 131423432113441 is 144311234324131.

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 131423432113441 - 245 = 96239060024609 is a prime.

It is a super-3 number, since 3×1314234321134413 (a number of 43 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 131423432113441.

It is not an unprimeable number, because it can be changed into a prime (131423432113741) 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, 84587005 + ... + 86126698.

It is an arithmetic number, because the mean of its divisors is an integer number (17691914714040).

Almost surely, 2131423432113441 is an apocalyptic number.

It is an amenable number.

131423432113441 is a deficient number, since it is larger than the sum of its proper divisors (10111885598879).

131423432113441 is a wasteful number, since it uses less digits than its factorization.

131423432113441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170772935.

The product of its digits is 82944, while the sum is 37.

Adding to 131423432113441 its reverse (144311234324131), we get a palindrome (275734666437572).

The spelling of 131423432113441 in words is "one hundred thirty-one trillion, four hundred twenty-three billion, four hundred thirty-two million, one hundred thirteen thousand, four hundred forty-one".

Divisors: 1 13 59219 769847 170713703 2219278139 10109494777957 131423432113441