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131323203311 = 8111373117937
BaseRepresentation
bin111101001001101111…
…0010000111011101111
3110112222010202221022212
41322103132100323233
54122422220001221
6140155024001035
712326211544646
oct1722336207357
9415863687285
10131323203311
115076a585393
122154ba6017b
13c4cb074c81
1464db10a35d
1536390d8b5b
hex1e93790eef

131323203311 has 8 divisors (see below), whose sum is σ = 131582011344. Its totient is φ = 131064635520.

The previous prime is 131323203301. The next prime is 131323203373. The reversal of 131323203311 is 113302323131.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-131323203311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131323203301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1054535 + ... + 1172471.

It is an arithmetic number, because the mean of its divisors is an integer number (16447751418).

Almost surely, 2131323203311 is an apocalyptic number.

131323203311 is a deficient number, since it is larger than the sum of its proper divisors (258808033).

131323203311 is a wasteful number, since it uses less digits than its factorization.

131323203311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120121.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 131323203311 its reverse (113302323131), we get a palindrome (244625526442).

The spelling of 131323203311 in words is "one hundred thirty-one billion, three hundred twenty-three million, two hundred three thousand, three hundred eleven".

Divisors: 1 811 1373 117937 1113503 95646907 161927501 131323203311