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31052123 is a prime number
BaseRepresentation
bin111011001110…
…1000101011011
32011102121111122
41312131011123
530422131443
63025315455
7524636654
oct166350533
964377448
1031052123
1116589a13
12a495b8b
136582b4b
1441a452b
152ad5968
hex1d9d15b

31052123 has 2 divisors, whose sum is σ = 31052124. Its totient is φ = 31052122.

The previous prime is 31052107. The next prime is 31052167. The reversal of 31052123 is 32125013.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 31052123 - 24 = 31052107 is a prime.

It is not a weakly prime, because it can be changed into another prime (31057123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15526061 + 15526062.

It is an arithmetic number, because the mean of its divisors is an integer number (15526062).

Almost surely, 231052123 is an apocalyptic number.

31052123 is a deficient number, since it is larger than the sum of its proper divisors (1).

31052123 is an equidigital number, since it uses as much as digits as its factorization.

31052123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 31052123 is about 5572.4431805089. The cubic root of 31052123 is about 314.3140292179.

Adding to 31052123 its reverse (32125013), we get a palindrome (63177136).

The spelling of 31052123 in words is "thirty-one million, fifty-two thousand, one hundred twenty-three".