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132071231 is a prime number
BaseRepresentation
bin1111101111100…
…11111100111111
3100012111220200002
413313303330333
5232302234411
621034424515
73162405215
oct767637477
9305456602
10132071231
1168607086
123829213b
1321492476
141377ccb5
15b8dc33b
hex7df3f3f

132071231 has 2 divisors, whose sum is σ = 132071232. Its totient is φ = 132071230.

The previous prime is 132071227. The next prime is 132071243. The reversal of 132071231 is 132170231.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 132071231 - 22 = 132071227 is a prime.

It is a super-2 number, since 2×1320712312 = 34885620115710722, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (132071281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66035615 + 66035616.

It is an arithmetic number, because the mean of its divisors is an integer number (66035616).

Almost surely, 2132071231 is an apocalyptic number.

132071231 is a deficient number, since it is larger than the sum of its proper divisors (1).

132071231 is an equidigital number, since it uses as much as digits as its factorization.

132071231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 252, while the sum is 20.

The square root of 132071231 is about 11492.2248063636. The cubic root of 132071231 is about 509.2559070746.

The spelling of 132071231 in words is "one hundred thirty-two million, seventy-one thousand, two hundred thirty-one".