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1331141719 is a prime number
BaseRepresentation
bin100111101010111…
…1001110001010111
310102202210000011011
41033111321301113
510211233013334
6340030553051
744662342435
oct11725716127
93382700134
101331141719
11623438526
12311968787
13182a1c82b
14c8b09d55
157bce2564
hex4f579c57

1331141719 has 2 divisors, whose sum is σ = 1331141720. Its totient is φ = 1331141718.

The previous prime is 1331141717. The next prime is 1331141741. The reversal of 1331141719 is 9171411331.

It is a weak prime.

It is an emirp because it is prime and its reverse (9171411331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1331141719 - 21 = 1331141717 is a prime.

It is a super-2 number, since 2×13311417192 = 3543876552124549922, which contains 22 as substring.

Together with 1331141717, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1331141717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 665570859 + 665570860.

It is an arithmetic number, because the mean of its divisors is an integer number (665570860).

Almost surely, 21331141719 is an apocalyptic number.

1331141719 is a deficient number, since it is larger than the sum of its proper divisors (1).

1331141719 is an equidigital number, since it uses as much as digits as its factorization.

1331141719 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2268, while the sum is 31.

The square root of 1331141719 is about 36484.8149097676. The cubic root of 1331141719 is about 1100.0390396613.

The spelling of 1331141719 in words is "one billion, three hundred thirty-one million, one hundred forty-one thousand, seven hundred nineteen".