Search a number
-
+
1331313415 = 5307986477
BaseRepresentation
bin100111101011010…
…0011101100000111
310102210002201200021
41033112203230013
510211304012130
6340034400011
744663656135
oct11726435407
93383081607
101331313415
11623545523
12311a30007
13182a7ca23
14c8b52755
157bd2837a
hex4f5a3b07

1331313415 has 8 divisors (see below), whose sum is σ = 1598113440. Its totient is φ = 1064692512.

The previous prime is 1331313409. The next prime is 1331313427. The reversal of 1331313415 is 5143131331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1331313415 - 23 = 1331313407 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1331313415.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 27844 + ... + 58633.

It is an arithmetic number, because the mean of its divisors is an integer number (199764180).

Almost surely, 21331313415 is an apocalyptic number.

1331313415 is a deficient number, since it is larger than the sum of its proper divisors (266800025).

1331313415 is an equidigital number, since it uses as much as digits as its factorization.

1331313415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89561.

The product of its digits is 1620, while the sum is 25.

The square root of 1331313415 is about 36487.1678128078. The cubic root of 1331313415 is about 1100.0863334443.

Adding to 1331313415 its reverse (5143131331), we get a palindrome (6474444746).

The spelling of 1331313415 in words is "one billion, three hundred thirty-one million, three hundred thirteen thousand, four hundred fifteen".

Divisors: 1 5 3079 15395 86477 432385 266262683 1331313415