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BaseRepresentation
bin100111000100100…
…0101111011011011
310101100220000201121
41032021011323123
510141104201202
6334031230111
744326241113
oct11611057333
93340800647
101311006427
11613035595
12307078337
1317b7bc963
14c6188043
157a166537
hex4e245edb

1311006427 has 2 divisors, whose sum is σ = 1311006428. Its totient is φ = 1311006426.

The previous prime is 1311006413. The next prime is 1311006467. The reversal of 1311006427 is 7246001131.

It is a weak prime.

It is an emirp because it is prime and its reverse (7246001131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1311006427 - 215 = 1310973659 is a prime.

It is not a weakly prime, because it can be changed into another prime (1311006407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 655503213 + 655503214.

It is an arithmetic number, because the mean of its divisors is an integer number (655503214).

Almost surely, 21311006427 is an apocalyptic number.

1311006427 is a deficient number, since it is larger than the sum of its proper divisors (1).

1311006427 is an equidigital number, since it uses as much as digits as its factorization.

1311006427 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 1311006427 is about 36207.8227321114. The cubic root of 1311006427 is about 1094.4643173978.

Adding to 1311006427 its reverse (7246001131), we get a palindrome (8557007558).

The spelling of 1311006427 in words is "one billion, three hundred eleven million, six thousand, four hundred twenty-seven".