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131302320271 is a prime number
BaseRepresentation
bin111101001001000111…
…0100110100010001111
3110112220200110222011221
41322102032212202033
54122401343222041
6140153000224211
712325536210313
oct1722216464217
9415820428157
10131302320271
1150759811681
1221544a6b067
13c4c6942945
1464d8431b43
1536373612d1
hex1e923a688f

131302320271 has 2 divisors, whose sum is σ = 131302320272. Its totient is φ = 131302320270.

The previous prime is 131302320269. The next prime is 131302320307. The reversal of 131302320271 is 172023203131.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 131302320271 - 21 = 131302320269 is a prime.

Together with 131302320269, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131302320371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65651160135 + 65651160136.

It is an arithmetic number, because the mean of its divisors is an integer number (65651160136).

Almost surely, 2131302320271 is an apocalyptic number.

131302320271 is a deficient number, since it is larger than the sum of its proper divisors (1).

131302320271 is an equidigital number, since it uses as much as digits as its factorization.

131302320271 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 25.

The spelling of 131302320271 in words is "one hundred thirty-one billion, three hundred two million, three hundred twenty thousand, two hundred seventy-one".