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131104443231205 = 5105585124833891
BaseRepresentation
bin11101110011110100100001…
…110001000110101111100101
3122012012110111001210120212021
4131303310201301012233211
5114141003344431344310
61142500314425223141
736420661215241033
oct3563644161065745
9565173431716767
10131104443231205
113885709a355624
1212854b04931ab1
135820132a4b942
1424536bb7d5553
1510254da1725da
hex773d21c46be5

131104443231205 has 8 divisors (see below), whose sum is σ = 157325487215904. Its totient is φ = 104883451026000.

The previous prime is 131104443231169. The next prime is 131104443231221. The reversal of 131104443231205 is 502132344401131.

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

It is not a de Polignac number, because 131104443231205 - 235 = 131070083492837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7137691 + ... + 17696200.

It is an arithmetic number, because the mean of its divisors is an integer number (19665685901988).

Almost surely, 2131104443231205 is an apocalyptic number.

It is an amenable number.

131104443231205 is a deficient number, since it is larger than the sum of its proper divisors (26221043984699).

131104443231205 is a wasteful number, since it uses less digits than its factorization.

131104443231205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25889747.

The product of its (nonzero) digits is 34560, while the sum is 34.

Adding to 131104443231205 its reverse (502132344401131), we get a palindrome (633236787632336).

The spelling of 131104443231205 in words is "one hundred thirty-one trillion, one hundred four billion, four hundred forty-three million, two hundred thirty-one thousand, two hundred five".

Divisors: 1 5 1055851 5279255 24833891 124169455 26220888646241 131104443231205