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131085150439 is a prime number
BaseRepresentation
bin111101000010101001…
…0001010100011100111
3110112100112211121011211
41322011102022203213
54121430244303224
6140115241412251
712320261252155
oct1720522124347
9415315747154
10131085150439
1150658171781
12214a419a087
13c490956499
1464b76603d5
153623264894
hex1e8548a8e7

131085150439 has 2 divisors, whose sum is σ = 131085150440. Its totient is φ = 131085150438.

The previous prime is 131085150403. The next prime is 131085150467. The reversal of 131085150439 is 934051580131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 131085150439 - 29 = 131085149927 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131085150479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65542575219 + 65542575220.

It is an arithmetic number, because the mean of its divisors is an integer number (65542575220).

Almost surely, 2131085150439 is an apocalyptic number.

131085150439 is a deficient number, since it is larger than the sum of its proper divisors (1).

131085150439 is an equidigital number, since it uses as much as digits as its factorization.

131085150439 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64800, while the sum is 40.

The spelling of 131085150439 in words is "one hundred thirty-one billion, eighty-five million, one hundred fifty thousand, four hundred thirty-nine".