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1031982961 is a prime number
BaseRepresentation
bin111101100000101…
…100111101110001
32122220212011111011
4331200230331301
54103141423321
6250222550521
734400465452
oct7540547561
92586764434
101031982961
1148a589089
12249738441
13135a57909
149b0b5129
15608ecae1
hex3d82cf71

1031982961 has 2 divisors, whose sum is σ = 1031982962. Its totient is φ = 1031982960.

The previous prime is 1031982937. The next prime is 1031982971. The reversal of 1031982961 is 1692891301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 584914225 + 447068736 = 24185^2 + 21144^2 .

It is a cyclic number.

It is not a de Polignac number, because 1031982961 - 29 = 1031982449 is a prime.

It is not a weakly prime, because it can be changed into another prime (1031982971) 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, 515991480 + 515991481.

It is an arithmetic number, because the mean of its divisors is an integer number (515991481).

Almost surely, 21031982961 is an apocalyptic number.

It is an amenable number.

1031982961 is a deficient number, since it is larger than the sum of its proper divisors (1).

1031982961 is an equidigital number, since it uses as much as digits as its factorization.

1031982961 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328, while the sum is 40.

The square root of 1031982961 is about 32124.4916068722. The cubic root of 1031982961 is about 1010.5493077688.

The spelling of 1031982961 in words is "one billion, thirty-one million, nine hundred eighty-two thousand, nine hundred sixty-one".