Search a number
-
+
2231312233 = 73191160031
BaseRepresentation
bin1000010011111111…
…0001111101101001
312202111121101221211
42010333301331221
514032203442413
61005224433121
7106202561323
oct20477617551
95674541854
102231312233
11a455769a7
125233187a1
132973759c7
141724ac613
15d0d5483d
hex84ff1f69

2231312233 has 8 divisors (see below), whose sum is σ = 2273734656. Its totient is φ = 2189210400.

The previous prime is 2231312227. The next prime is 2231312249. The reversal of 2231312233 is 3322131322.

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 2231312233 - 25 = 2231312201 is a prime.

It is a super-3 number, since 3×22313122333 (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 not an unprimeable number, because it can be changed into a prime (2231312833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66073 + ... + 93958.

It is an arithmetic number, because the mean of its divisors is an integer number (284216832).

Almost surely, 22231312233 is an apocalyptic number.

It is an amenable number.

2231312233 is a deficient number, since it is larger than the sum of its proper divisors (42422423).

2231312233 is a wasteful number, since it uses less digits than its factorization.

2231312233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160295.

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

The square root of 2231312233 is about 47236.7678085620. The cubic root of 2231312233 is about 1306.7327692492.

Adding to 2231312233 its reverse (3322131322), we get a palindrome (5553443555).

The spelling of 2231312233 in words is "two billion, two hundred thirty-one million, three hundred twelve thousand, two hundred thirty-three".

Divisors: 1 73 191 13943 160031 11682263 30565921 2231312233