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131111130220333 = 3714892379814681
BaseRepresentation
bin11101110011111010110000…
…010101111100011100101101
3122012020002202002112211110021
4131303322300111330130231
5114141111043314022313
61142503342142442141
736421316013561124
oct3563726025743455
9565202662484407
10131111130220333
1138859a10a4951a
1212856270293351
13582095a24c943
142453b53952abb
15102577c25c78d
hex773eb057c72d

131111130220333 has 8 divisors (see below), whose sum is σ = 134745107294840. Its totient is φ = 127481912778240.

The previous prime is 131111130220331. The next prime is 131111130220379. The reversal of 131111130220333 is 333022031111131.

It can be written as a sum of positive squares in 4 ways, for example, as 71375513250409 + 59735616969924 = 8448403^2 + 7728882^2 .

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 131111130220333 - 21 = 131111130220331 is a prime.

It is a super-3 number, since 3×1311111302203333 (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 junction number, because it is equal to n+sod(n) for n = 131111130220298 and 131111130220307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131111130220331) 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, 1189852248 + ... + 1189962433.

It is an arithmetic number, because the mean of its divisors is an integer number (16843138411855).

Almost surely, 2131111130220333 is an apocalyptic number.

It is an amenable number.

131111130220333 is a deficient number, since it is larger than the sum of its proper divisors (3633977074507).

131111130220333 is a wasteful number, since it uses less digits than its factorization.

131111130220333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2379816207.

The product of its (nonzero) digits is 972, while the sum is 25.

Adding to 131111130220333 its reverse (333022031111131), we get a palindrome (464133161331464).

The spelling of 131111130220333 in words is "one hundred thirty-one trillion, one hundred eleven billion, one hundred thirty million, two hundred twenty thousand, three hundred thirty-three".

Divisors: 1 37 1489 55093 2379814681 88053143197 3543544060009 131111130220333