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131421401335087 is a prime number
BaseRepresentation
bin11101111000011011101101…
…111100010100010100101111
3122020022202121102101112211221
4131320123231330110110233
5114211202012220210322
61143302054105324211
736452611560541453
oct3570335574242457
9566282542345757
10131421401335087
11389695599a5306
12128a6421496667
135843ca5c92036
142464b88c2c663
15102d88b4ce9c7
hex7786edf1452f

131421401335087 has 2 divisors, whose sum is σ = 131421401335088. Its totient is φ = 131421401335086.

The previous prime is 131421401335061. The next prime is 131421401335181. The reversal of 131421401335087 is 780533104124131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 131421401335087 - 231 = 131419253851439 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131421401335027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65710700667543 + 65710700667544.

It is an arithmetic number, because the mean of its divisors is an integer number (65710700667544).

Almost surely, 2131421401335087 is an apocalyptic number.

131421401335087 is a deficient number, since it is larger than the sum of its proper divisors (1).

131421401335087 is an equidigital number, since it uses as much as digits as its factorization.

131421401335087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 241920, while the sum is 43.

The spelling of 131421401335087 in words is "one hundred thirty-one trillion, four hundred twenty-one billion, four hundred one million, three hundred thirty-five thousand, eighty-seven".