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1311006341 is a prime number
BaseRepresentation
bin100111000100100…
…0101111010000101
310101100220000121102
41032021011322011
510141104200331
6334031225445
744326240631
oct11611057205
93340800542
101311006341
11613035517
12307078285
1317b7bc8c8
14c6187dc1
157a1664cb
hex4e245e85

1311006341 has 2 divisors, whose sum is σ = 1311006342. Its totient is φ = 1311006340.

The previous prime is 1311006269. The next prime is 1311006407. The reversal of 1311006341 is 1436001131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1046781316 + 264225025 = 32354^2 + 16255^2 .

It is a cyclic number.

It is not a de Polignac number, because 1311006341 - 210 = 1311005317 is a prime.

It is a super-2 number, since 2×13110063412 = 3437475252284416562, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1311006941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 655503170 + 655503171.

It is an arithmetic number, because the mean of its divisors is an integer number (655503171).

Almost surely, 21311006341 is an apocalyptic number.

It is an amenable number.

1311006341 is a deficient number, since it is larger than the sum of its proper divisors (1).

1311006341 is an equidigital number, since it uses as much as digits as its factorization.

1311006341 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 1311006341 is about 36207.8215445227. The cubic root of 1311006341 is about 1094.4642934661.

Adding to 1311006341 its reverse (1436001131), we get a palindrome (2747007472).

The spelling of 1311006341 in words is "one billion, three hundred eleven million, six thousand, three hundred forty-one".