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131757746357 is a prime number
BaseRepresentation
bin111101010110101011…
…1111010100010110101
3110121002102110000022202
41322231113322202311
54124314440340412
6140310105434245
712343036236206
oct1725527724265
9417072400282
10131757746357
11509728a3a76
122165149b985
13c56a0bc333
14653cb035ad
1536623223c2
hex1ead5fa8b5

131757746357 has 2 divisors, whose sum is σ = 131757746358. Its totient is φ = 131757746356.

The previous prime is 131757746303. The next prime is 131757746359. The reversal of 131757746357 is 753647757131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 67115192356 + 64642554001 = 259066^2 + 254249^2 .

It is an emirp because it is prime and its reverse (753647757131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 131757746357 - 220 = 131756697781 is a prime.

Together with 131757746359, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131757746359) 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 as a sum of consecutive naturals, namely, 65878873178 + 65878873179.

It is an arithmetic number, because the mean of its divisors is an integer number (65878873179).

Almost surely, 2131757746357 is an apocalyptic number.

It is an amenable number.

131757746357 is a deficient number, since it is larger than the sum of its proper divisors (1).

131757746357 is an equidigital number, since it uses as much as digits as its factorization.

131757746357 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12965400, while the sum is 56.

The spelling of 131757746357 in words is "one hundred thirty-one billion, seven hundred fifty-seven million, seven hundred forty-six thousand, three hundred fifty-seven".