Search a number
-
+
2231322133 = 19475094909
BaseRepresentation
bin1000010011111111…
…0100011000010101
312202111121220112111
42010333310120111
514032204302013
61005224551021
7106202632225
oct20477643025
95674556474
102231322133
11a45583387
12523322471
1329737a371
141724b2085
15d0d5773d
hex84ff4615

2231322133 has 16 divisors (see below), whose sum is σ = 2403936000. Its totient is φ = 2064422592.

The previous prime is 2231322127. The next prime is 2231322157. The reversal of 2231322133 is 3312231322.

2231322133 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 2231322133 - 229 = 1694451221 is a prime.

It is a super-3 number, since 3×22313221333 (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2231322193) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 452083 + ... + 456991.

It is an arithmetic number, because the mean of its divisors is an integer number (150246000).

Almost surely, 22231322133 is an apocalyptic number.

It is an amenable number.

2231322133 is a deficient number, since it is larger than the sum of its proper divisors (172613867).

2231322133 is a wasteful number, since it uses less digits than its factorization.

2231322133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5484.

The product of its digits is 1296, while the sum is 22.

The square root of 2231322133 is about 47236.8725996969. The cubic root of 2231322133 is about 1306.7347018392.

Adding to 2231322133 its reverse (3312231322), we get a palindrome (5543553455).

The spelling of 2231322133 in words is "two billion, two hundred thirty-one million, three hundred twenty-two thousand, one hundred thirty-three".

Divisors: 1 19 47 509 893 4909 9671 23923 93271 230723 454537 2498681 4383737 47474939 117438007 2231322133