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11310919 is a prime number
BaseRepresentation
bin101011001001…
…011101000111
3210021122122221
4223021131013
510343422134
61042233211
7165066304
oct53113507
923248587
1011310919
116426074
123955807
132460469
1417060ab
15ed65b4
hexac9747

11310919 has 2 divisors, whose sum is σ = 11310920. Its totient is φ = 11310918.

The previous prime is 11310911. The next prime is 11310977. The reversal of 11310919 is 91901311.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11310919 - 23 = 11310911 is a prime.

It is a super-2 number, since 2×113109192 = 255873777249122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11310893 and 11310902.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11310911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5655459 + 5655460.

It is an arithmetic number, because the mean of its divisors is an integer number (5655460).

Almost surely, 211310919 is an apocalyptic number.

11310919 is a deficient number, since it is larger than the sum of its proper divisors (1).

11310919 is an equidigital number, since it uses as much as digits as its factorization.

11310919 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 243, while the sum is 25.

The square root of 11310919 is about 3363.1709739471. The cubic root of 11310919 is about 224.4739579219.

The spelling of 11310919 in words is "eleven million, three hundred ten thousand, nine hundred nineteen".