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160031 is a prime number
BaseRepresentation
bin100111000100011111
322010112002
4213010133
520110111
63232515
71234364
oct470437
9263462
10160031
11aa263
127873b
1357ac1
144246b
153263b
hex2711f

160031 has 2 divisors, whose sum is σ = 160032. Its totient is φ = 160030.

The previous prime is 160019. The next prime is 160033. The reversal of 160031 is 130061.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-160031 is a prime.

It is a super-2 number, since 2×1600312 = 51219841922, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 160033, 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 = 159994 and 160021.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (160033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80015 + 80016.

It is an arithmetic number, because the mean of its divisors is an integer number (80016).

2160031 is an apocalyptic number.

160031 is a deficient number, since it is larger than the sum of its proper divisors (1).

160031 is an equidigital number, since it uses as much as digits as its factorization.

160031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 160031 is about 400.0387481232. The cubic root of 160031 is about 54.2918582282.

Adding to 160031 its reverse (130061), we get a palindrome (290092).

The spelling of 160031 in words is "one hundred sixty thousand, thirty-one".