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31034057 is a prime number
BaseRepresentation
bin111011001100…
…0101011001001
32011101200201112
41312120223021
530421042212
63025100105
7524533205
oct166305311
964350645
1031034057
111657738a
12a487635
136577862
14419bb05
152ad0422
hex1d98ac9

31034057 has 2 divisors, whose sum is σ = 31034058. Its totient is φ = 31034056.

The previous prime is 31034051. The next prime is 31034071. The reversal of 31034057 is 75043013.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25563136 + 5470921 = 5056^2 + 2339^2 .

It is a cyclic number.

It is not a de Polignac number, because 31034057 - 24 = 31034041 is a prime.

It is a super-4 number, since 4×310340574 (a number of 31 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (31034051) 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, 15517028 + 15517029.

It is an arithmetic number, because the mean of its divisors is an integer number (15517029).

Almost surely, 231034057 is an apocalyptic number.

It is an amenable number.

31034057 is a deficient number, since it is larger than the sum of its proper divisors (1).

31034057 is an equidigital number, since it uses as much as digits as its factorization.

31034057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1260, while the sum is 23.

The square root of 31034057 is about 5570.8219321748. The cubic root of 31034057 is about 314.2530618478.

The spelling of 31034057 in words is "thirty-one million, thirty-four thousand, fifty-seven".