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69031 is a prime number
BaseRepresentation
bin10000110110100111
310111200201
4100312213
54202111
61251331
7405154
oct206647
9114621
1069031
1147956
1233b47
1325561
141b22b
15156c1
hex10da7

69031 has 2 divisors, whose sum is σ = 69032. Its totient is φ = 69030.

The previous prime is 69029. The next prime is 69061. The reversal of 69031 is 13096.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 69031 - 21 = 69029 is a prime.

It is a super-2 number, since 2×690312 = 9530557922, which contains 22 as substring.

Together with 69029, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (69001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34515 + 34516.

It is an arithmetic number, because the mean of its divisors is an integer number (34516).

269031 is an apocalyptic number.

69031 is the 118-th centered decagonal number.

69031 is a deficient number, since it is larger than the sum of its proper divisors (1).

69031 is an equidigital number, since it uses as much as digits as its factorization.

69031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 162, while the sum is 19.

The square root of 69031 is about 262.7375115967. The cubic root of 69031 is about 41.0218008191.

The spelling of 69031 in words is "sixty-nine thousand, thirty-one".