Search a number
-
+
319934471 is a prime number
BaseRepresentation
bin10011000100011…
…101000000000111
3211022000100120212
4103010131000013
51123400400341
651425150035
710633253363
oct2304350007
9738010525
10319934471
1115465a55a
128b18b31b
135138a44c
14306c22a3
151d14a5eb
hex1311d007

319934471 has 2 divisors, whose sum is σ = 319934472. Its totient is φ = 319934470.

The previous prime is 319934429. The next prime is 319934479. The reversal of 319934471 is 174439913.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (174439913) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 319934471 - 226 = 252825607 is a prime.

It is a super-3 number, since 3×3199344713 (a number of 26 digits) contains 333 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (319934479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 159967235 + 159967236.

It is an arithmetic number, because the mean of its divisors is an integer number (159967236).

Almost surely, 2319934471 is an apocalyptic number.

319934471 is a deficient number, since it is larger than the sum of its proper divisors (1).

319934471 is an equidigital number, since it uses as much as digits as its factorization.

319934471 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 81648, while the sum is 41.

The square root of 319934471 is about 17886.7121349900. The cubic root of 319934471 is about 683.9436867276.

The spelling of 319934471 in words is "three hundred nineteen million, nine hundred thirty-four thousand, four hundred seventy-one".