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132242531 is a prime number
BaseRepresentation
bin1111110000111…
…01110001100011
3100012211121122112
413320131301203
5232323230111
621042225535
73164020511
oct770356143
9305747575
10132242531
1168713853
12383552ab
1321522425
14137c54b1
15b922e8b
hex7e1dc63

132242531 has 2 divisors, whose sum is σ = 132242532. Its totient is φ = 132242530.

The previous prime is 132242491. The next prime is 132242533. The reversal of 132242531 is 135242231.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 132242531 - 226 = 65133667 is a prime.

It is a super-2 number, since 2×1322425312 = 34976174010571922, which contains 22 as substring.

Together with 132242533, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 132242497 and 132242506.

It is not a weakly prime, because it can be changed into another prime (132242533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66121265 + 66121266.

It is an arithmetic number, because the mean of its divisors is an integer number (66121266).

Almost surely, 2132242531 is an apocalyptic number.

132242531 is a deficient number, since it is larger than the sum of its proper divisors (1).

132242531 is an equidigital number, since it uses as much as digits as its factorization.

132242531 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1440, while the sum is 23.

The square root of 132242531 is about 11499.6752562844. The cubic root of 132242531 is about 509.4759849012.

Adding to 132242531 its reverse (135242231), we get a palindrome (267484762).

The spelling of 132242531 in words is "one hundred thirty-two million, two hundred forty-two thousand, five hundred thirty-one".