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3081312371 is a prime number
BaseRepresentation
bin1011011110101001…
…0001100001110011
321221202000212221102
42313222101201303
522302303443441
61225431115015
7136233502664
oct26752214163
97852025842
103081312371
111341358655
1271bb12a6b
133a14b4077
1421333136b
151307a669b
hexb7a91873

3081312371 has 2 divisors, whose sum is σ = 3081312372. Its totient is φ = 3081312370.

The previous prime is 3081312331. The next prime is 3081312467. The reversal of 3081312371 is 1732131803.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3081312371 - 230 = 2007570547 is a prime.

It is not a weakly prime, because it can be changed into another prime (3081312331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1540656185 + 1540656186.

It is an arithmetic number, because the mean of its divisors is an integer number (1540656186).

Almost surely, 23081312371 is an apocalyptic number.

3081312371 is a deficient number, since it is larger than the sum of its proper divisors (1).

3081312371 is an equidigital number, since it uses as much as digits as its factorization.

3081312371 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 3081312371 is about 55509.5700848061. The cubic root of 3081312371 is about 1455.1638901685.

The spelling of 3081312371 in words is "three billion, eighty-one million, three hundred twelve thousand, three hundred seventy-one".