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3011331989 is a prime number
BaseRepresentation
bin1011001101111101…
…0100011110010101
321202212100111220102
42303133110132111
522131400110424
61214451143445
7134423620361
oct26337243625
97685314812
103011331989
111305900326
127005a4b85
1338cb51463
14207d162a1
151295817ae
hexb37d4795

3011331989 has 2 divisors, whose sum is σ = 3011331990. Its totient is φ = 3011331988.

The previous prime is 3011331959. The next prime is 3011332003. The reversal of 3011331989 is 9891331103.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2736336100 + 274995889 = 52310^2 + 16583^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-3011331989 is a prime.

It is a super-2 number, since 2×30113319892 = 18136240695949392242, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3011331959) 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, 1505665994 + 1505665995.

It is an arithmetic number, because the mean of its divisors is an integer number (1505665995).

Almost surely, 23011331989 is an apocalyptic number.

It is an amenable number.

3011331989 is a deficient number, since it is larger than the sum of its proper divisors (1).

3011331989 is an equidigital number, since it uses as much as digits as its factorization.

3011331989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17496, while the sum is 38.

The square root of 3011331989 is about 54875.6046800397. The cubic root of 3011331989 is about 1444.0632393083.

The spelling of 3011331989 in words is "three billion, eleven million, three hundred thirty-one thousand, nine hundred eighty-nine".