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1031969993 is a prime number
BaseRepresentation
bin111101100000101…
…001110011001001
32122220211111200212
4331200221303021
54103141014433
6250222410505
734400412605
oct7540516311
92586744625
101031969993
1148a57a36a
12249730a35
13135a51a42
149b0b0505
15608e8d48
hex3d829cc9

1031969993 has 2 divisors, whose sum is σ = 1031969994. Its totient is φ = 1031969992.

The previous prime is 1031969941. The next prime is 1031970011. The reversal of 1031969993 is 3999691301.

1031969993 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 722104384 + 309865609 = 26872^2 + 17603^2 .

It is an emirp because it is prime and its reverse (3999691301) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1031969993 - 28 = 1031969737 is a prime.

It is not a weakly prime, because it can be changed into another prime (1031969893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 515984996 + 515984997.

It is an arithmetic number, because the mean of its divisors is an integer number (515984997).

Almost surely, 21031969993 is an apocalyptic number.

It is an amenable number.

1031969993 is a deficient number, since it is larger than the sum of its proper divisors (1).

1031969993 is an equidigital number, since it uses as much as digits as its factorization.

1031969993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 354294, while the sum is 50.

The square root of 1031969993 is about 32124.2897664680. The cubic root of 1031969993 is about 1010.5450748636.

The spelling of 1031969993 in words is "one billion, thirty-one million, nine hundred sixty-nine thousand, nine hundred ninety-three".