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131053542020221 = 597330428033903
BaseRepresentation
bin11101110011000101000111…
…110100011001010001111101
3122012000121002200012011011211
4131303011013310121101331
5114134140123224121341
61142421055511444421
736414206641134022
oct3563050764312175
9565017080164154
10131053542020221
1138837549a03407
121284707a086711
1358183b03802a2
14245104d511549
15102400b612181
hex773147d1947d

131053542020221 has 8 divisors (see below), whose sum is σ = 135100470533760. Its totient is φ = 127067469574752.

The previous prime is 131053542020213. The next prime is 131053542020243. The reversal of 131053542020221 is 122020245350131.

It is a happy number.

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 131053542020221 - 23 = 131053542020213 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 (131053542020321) 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, 15214012645 + ... + 15214021258.

It is an arithmetic number, because the mean of its divisors is an integer number (16887558816720).

Almost surely, 2131053542020221 is an apocalyptic number.

It is an amenable number.

131053542020221 is a deficient number, since it is larger than the sum of its proper divisors (4046928513539).

131053542020221 is an equidigital number, since it uses as much as digits as its factorization.

131053542020221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30428034035.

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 131053542020221 its reverse (122020245350131), we get a palindrome (253073787370352).

The spelling of 131053542020221 in words is "one hundred thirty-one trillion, fifty-three billion, five hundred forty-two million, twenty thousand, two hundred twenty-one".

Divisors: 1 59 73 4307 30428033903 1795254000277 2221246474919 131053542020221