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313423247 is a prime number
BaseRepresentation
bin10010101011100…
…111010110001111
3210211202112212102
4102223213112033
51120214020442
651033425315
710524024254
oct2253472617
9724675772
10313423247
11150a12585
1288b6b23b
134cc1a857
142d8a942b
151c7b1232
hex12ae758f

313423247 has 2 divisors, whose sum is σ = 313423248. Its totient is φ = 313423246.

The previous prime is 313423217. The next prime is 313423261. The reversal of 313423247 is 742324313.

It is a strong prime.

It is an emirp because it is prime and its reverse (742324313) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 313423247 - 210 = 313422223 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (313423217) 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, 156711623 + 156711624.

It is an arithmetic number, because the mean of its divisors is an integer number (156711624).

Almost surely, 2313423247 is an apocalyptic number.

313423247 is a deficient number, since it is larger than the sum of its proper divisors (1).

313423247 is an equidigital number, since it uses as much as digits as its factorization.

313423247 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12096, while the sum is 29.

The square root of 313423247 is about 17703.7636394073. The cubic root of 313423247 is about 679.2720345451.

The spelling of 313423247 in words is "three hundred thirteen million, four hundred twenty-three thousand, two hundred forty-seven".