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3103128943 is a prime number
BaseRepresentation
bin1011100011110101…
…1111110101101111
322000021002021122121
42320331133311233
522323400111233
61231530453411
7136620106105
oct27075376557
98007067577
103103128943
1113526a9782
12727294267
133a5b82295
142161adc75
1513266592d
hexb8f5fd6f

3103128943 has 2 divisors, whose sum is σ = 3103128944. Its totient is φ = 3103128942.

The previous prime is 3103128871. The next prime is 3103128947. The reversal of 3103128943 is 3498213013.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-3103128943 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3103128899 and 3103128908.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3103128947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1551564471 + 1551564472.

It is an arithmetic number, because the mean of its divisors is an integer number (1551564472).

Almost surely, 23103128943 is an apocalyptic number.

3103128943 is a deficient number, since it is larger than the sum of its proper divisors (1).

3103128943 is an equidigital number, since it uses as much as digits as its factorization.

3103128943 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 3103128943 is about 55705.7352792331. The cubic root of 3103128943 is about 1458.5901419399.

The spelling of 3103128943 in words is "three billion, one hundred three million, one hundred twenty-eight thousand, nine hundred forty-three".