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1312110323 is a prime number
BaseRepresentation
bin100111000110101…
…0011011011110011
310101102222002222122
41032031103123303
510141400012243
6334111024455
744341516346
oct11615233363
93342862878
101312110323
116137199a7
1230750b12b
1317bab8254
14c639445d
157a2d3668
hex4e3536f3

1312110323 has 2 divisors, whose sum is σ = 1312110324. Its totient is φ = 1312110322.

The previous prime is 1312110311. The next prime is 1312110343. The reversal of 1312110323 is 3230112131.

It is a weak prime.

It is an emirp because it is prime and its reverse (3230112131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1312110323 - 26 = 1312110259 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1312110343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656055161 + 656055162.

It is an arithmetic number, because the mean of its divisors is an integer number (656055162).

Almost surely, 21312110323 is an apocalyptic number.

1312110323 is a deficient number, since it is larger than the sum of its proper divisors (1).

1312110323 is an equidigital number, since it uses as much as digits as its factorization.

1312110323 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 1312110323 is about 36223.0634126933. The cubic root of 1312110323 is about 1094.7714188258.

Adding to 1312110323 its reverse (3230112131), we get a palindrome (4542222454).

The spelling of 1312110323 in words is "one billion, three hundred twelve million, one hundred ten thousand, three hundred twenty-three".