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11031019 is a prime number
BaseRepresentation
bin101010000101…
…000111101011
3202202102201021
4222011013223
510310443034
61032233311
7162522256
oct52050753
922672637
1011031019
11625484a
12383b837
132392c3c
14167209d
15e7d6b4
hexa851eb

11031019 has 2 divisors, whose sum is σ = 11031020. Its totient is φ = 11031018.

The previous prime is 11031017. The next prime is 11031023. The reversal of 11031019 is 91013011.

It is a happy number.

11031019 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11031019 - 21 = 11031017 is a prime.

It is a super-2 number, since 2×110310192 = 243366760356722, which contains 22 as substring.

Together with 11031017, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 11030993 and 11031011.

It is not a weakly prime, because it can be changed into another prime (11031017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5515509 + 5515510.

It is an arithmetic number, because the mean of its divisors is an integer number (5515510).

Almost surely, 211031019 is an apocalyptic number.

11031019 is a deficient number, since it is larger than the sum of its proper divisors (1).

11031019 is an equidigital number, since it uses as much as digits as its factorization.

11031019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27, while the sum is 16.

The square root of 11031019 is about 3321.2977885158. The cubic root of 11031019 is about 222.6068602552.

The spelling of 11031019 in words is "eleven million, thirty-one thousand, nineteen".