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1028131411 is a prime number
BaseRepresentation
bin111101010010000…
…000101001010011
32122122121111011011
4331102000221103
54101200201121
6250004231351
734322654446
oct7522005123
92578544134
101028131411
1148839838a
1224839b557
131350097a8
149a79165d
15603db7e1
hex3d480a53

1028131411 has 2 divisors, whose sum is σ = 1028131412. Its totient is φ = 1028131410.

The previous prime is 1028131409. The next prime is 1028131427. The reversal of 1028131411 is 1141318201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1028131411 - 21 = 1028131409 is a prime.

Together with 1028131409, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1028132411) 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, 514065705 + 514065706.

It is an arithmetic number, because the mean of its divisors is an integer number (514065706).

Almost surely, 21028131411 is an apocalyptic number.

1028131411 is a deficient number, since it is larger than the sum of its proper divisors (1).

1028131411 is an equidigital number, since it uses as much as digits as its factorization.

1028131411 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 22.

The square root of 1028131411 is about 32064.4883165161. The cubic root of 1028131411 is about 1009.2905552796.

Adding to 1028131411 its reverse (1141318201), we get a palindrome (2169449612).

The spelling of 1028131411 in words is "one billion, twenty-eight million, one hundred thirty-one thousand, four hundred eleven".