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31082041 is a prime number
BaseRepresentation
bin111011010010…
…0011000111001
32011111010112201
41312210120321
530424111131
63030110201
7525123124
oct166443071
964433481
1031082041
11165aa441
12a4ab361
136593653
1441b13bb
152ade761
hex1da4639

31082041 has 2 divisors, whose sum is σ = 31082042. Its totient is φ = 31082040.

The previous prime is 31082033. The next prime is 31082047. The reversal of 31082041 is 14028013.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23242041 + 7840000 = 4821^2 + 2800^2 .

It is an emirp because it is prime and its reverse (14028013) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 31082041 - 23 = 31082033 is a prime.

It is not a weakly prime, because it can be changed into another prime (31082047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15541020 + 15541021.

It is an arithmetic number, because the mean of its divisors is an integer number (15541021).

Almost surely, 231082041 is an apocalyptic number.

It is an amenable number.

31082041 is a deficient number, since it is larger than the sum of its proper divisors (1).

31082041 is an equidigital number, since it uses as much as digits as its factorization.

31082041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 31082041 is about 5575.1269940693. The cubic root of 31082041 is about 314.4149415740.

The spelling of 31082041 in words is "thirty-one million, eighty-two thousand, forty-one".