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2031011071 is a prime number
BaseRepresentation
bin111100100001110…
…1100010011111111
312020112201001102021
41321003230103333
513124414323241
6533311341011
7101221211035
oct17103542377
95215631367
102031011071
119524a8751
12488221767
13264a145cb
14153a4c555
15bd48b0d1
hex790ec4ff

2031011071 has 2 divisors, whose sum is σ = 2031011072. Its totient is φ = 2031011070.

The previous prime is 2031011053. The next prime is 2031011077. The reversal of 2031011071 is 1701101302.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2031011071 - 29 = 2031010559 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2031011077) 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, 1015505535 + 1015505536.

It is an arithmetic number, because the mean of its divisors is an integer number (1015505536).

Almost surely, 22031011071 is an apocalyptic number.

2031011071 is a deficient number, since it is larger than the sum of its proper divisors (1).

2031011071 is an equidigital number, since it uses as much as digits as its factorization.

2031011071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 42, while the sum is 16.

The square root of 2031011071 is about 45066.7401860840. The cubic root of 2031011071 is about 1266.3995967947.

Adding to 2031011071 its reverse (1701101302), we get a palindrome (3732112373).

The spelling of 2031011071 in words is "two billion, thirty-one million, eleven thousand, seventy-one".