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1310001211 is a prime number
BaseRepresentation
bin100111000010101…
…0000100000111011
310101021222221211101
41032011100200323
510140330014321
6333553512231
744314553341
oct11605204073
93337887741
101310001211
11612509332
12306872677
1317b52a25c
14c5da5991
157a018791
hex4e15083b

1310001211 has 2 divisors, whose sum is σ = 1310001212. Its totient is φ = 1310001210.

The previous prime is 1310001167. The next prime is 1310001221. The reversal of 1310001211 is 1121000131.

It is an a-pointer prime, because the next prime (1310001221) can be obtained adding 1310001211 to its sum of digits (10).

It is a strong prime.

It is an emirp because it is prime and its reverse (1121000131) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1310001211 is a prime.

It is a super-2 number, since 2×13100012112 = 3432206345642933042, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1310001221) 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, 655000605 + 655000606.

It is an arithmetic number, because the mean of its divisors is an integer number (655000606).

Almost surely, 21310001211 is an apocalyptic number.

1310001211 is a deficient number, since it is larger than the sum of its proper divisors (1).

1310001211 is an equidigital number, since it uses as much as digits as its factorization.

1310001211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6, while the sum is 10.

The square root of 1310001211 is about 36193.9388710320. The cubic root of 1310001211 is about 1094.1845185281.

Adding to 1310001211 its reverse (1121000131), we get a palindrome (2431001342).

The spelling of 1310001211 in words is "one billion, three hundred ten million, one thousand, two hundred eleven".