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3130121077 is a prime number
BaseRepresentation
bin1011101010010001…
…1101101101110101
322002010212121220021
42322210131231311
522402302333302
61234333205141
7140365406266
oct27244355565
98063777807
103130121077
111366965326
127343307b1
133ab643165
142199d896d
15134be8437
hexba91db75

3130121077 has 2 divisors, whose sum is σ = 3130121078. Its totient is φ = 3130121076.

The previous prime is 3130121023. The next prime is 3130121081. The reversal of 3130121077 is 7701210313.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2065338916 + 1064782161 = 45446^2 + 32631^2 .

It is a cyclic number.

It is not a de Polignac number, because 3130121077 - 231 = 982637429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3130121017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1565060538 + 1565060539.

It is an arithmetic number, because the mean of its divisors is an integer number (1565060539).

Almost surely, 23130121077 is an apocalyptic number.

It is an amenable number.

3130121077 is a deficient number, since it is larger than the sum of its proper divisors (1).

3130121077 is an equidigital number, since it uses as much as digits as its factorization.

3130121077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 882, while the sum is 25.

The square root of 3130121077 is about 55947.4849926250. The cubic root of 3130121077 is about 1462.8070529912.

The spelling of 3130121077 in words is "three billion, one hundred thirty million, one hundred twenty-one thousand, seventy-seven".