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131200203301321 = 7112777613575349
BaseRepresentation
bin11101110101001101101101…
…100000110010000111001001
3122012112121122202021011201211
4131311031231200302013021
5114144041004021120241
61143012312532013121
736430621226351650
oct3565155540620711
9565477582234654
10131200203301321
113889376a421640
121286b58a7611a1
135829184011a1b
1424581a36c8197
151027c42041781
hex77536d8321c9

131200203301321 has 16 divisors (see below), whose sum is σ = 163633182940800. Its totient is φ = 102197109962880.

The previous prime is 131200203301309. The next prime is 131200203301331. The reversal of 131200203301321 is 123103302002131.

It is a cyclic number.

It is not a de Polignac number, because 131200203301321 - 29 = 131200203300809 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131200203301292 and 131200203301301.

It is not an unprimeable number, because it can be changed into a prime (131200203301301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 306573846 + ... + 307001503.

It is an arithmetic number, because the mean of its divisors is an integer number (10227073933800).

Almost surely, 2131200203301321 is an apocalyptic number.

131200203301321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

131200203301321 is a deficient number, since it is larger than the sum of its proper divisors (32432979639479).

131200203301321 is a wasteful number, since it uses less digits than its factorization.

131200203301321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 613578144.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 131200203301321 its reverse (123103302002131), we get a palindrome (254303505303452).

The spelling of 131200203301321 in words is "one hundred thirty-one trillion, two hundred billion, two hundred three million, three hundred one thousand, three hundred twenty-one".

Divisors: 1 7 11 77 2777 19439 30547 213829 613575349 4295027443 6749328839 47245301873 1703898744173 11927291209211 18742886185903 131200203301321