Search a number
-
+
331423223 = 2918236269
BaseRepresentation
bin10011110000010…
…001110111110111
3212002122001012012
4103300101313313
51134321020343
652515314435
711133023315
oct2360216767
9762561165
10331423223
1116009719a
1292baba1b
1353880821
14320330b5
151e169718
hex13c11df7

331423223 has 8 divisors (see below), whose sum is σ = 343094400. Its totient is φ = 319768288.

The previous prime is 331423219. The next prime is 331423229. The reversal of 331423223 is 322324133.

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 331423223 - 22 = 331423219 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331423229) 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 in 7 ways as a sum of consecutive naturals, for example, 49733 + ... + 56001.

It is an arithmetic number, because the mean of its divisors is an integer number (42886800).

Almost surely, 2331423223 is an apocalyptic number.

331423223 is a deficient number, since it is larger than the sum of its proper divisors (11671177).

331423223 is a wasteful number, since it uses less digits than its factorization.

331423223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8121.

The product of its digits is 2592, while the sum is 23.

The square root of 331423223 is about 18205.0329030189. The cubic root of 331423223 is about 692.0343399879.

Adding to 331423223 its reverse (322324133), we get a palindrome (653747356).

The spelling of 331423223 in words is "three hundred thirty-one million, four hundred twenty-three thousand, two hundred twenty-three".

Divisors: 1 29 1823 6269 52867 181801 11428387 331423223