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2313333221 = 4379680993
BaseRepresentation
bin1000100111100010…
…1010100111100101
312222012221111121012
42021320222213211
514214203130341
61021314432005
7111220002503
oct21170524745
95865844535
102313333221
11a878a8541
12546892605
132ab362c34
1417d33d673
15d81570eb
hex89e2a9e5

2313333221 has 8 divisors (see below), whose sum is σ = 2397098880. Its totient is φ = 2230929792.

The previous prime is 2313333199. The next prime is 2313333227. The reversal of 2313333221 is 1223333132.

2313333221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2313333221 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 (2313333227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 337100 + ... + 343893.

It is an arithmetic number, because the mean of its divisors is an integer number (299637360).

Almost surely, 22313333221 is an apocalyptic number.

It is an amenable number.

2313333221 is a deficient number, since it is larger than the sum of its proper divisors (83765659).

2313333221 is an equidigital number, since it uses as much as digits as its factorization.

2313333221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 681115.

The product of its digits is 1944, while the sum is 23.

The square root of 2313333221 is about 48097.1227933647. The cubic root of 2313333221 is about 1322.5519237097.

Adding to 2313333221 its reverse (1223333132), we get a palindrome (3536666353).

The spelling of 2313333221 in words is "two billion, three hundred thirteen million, three hundred thirty-three thousand, two hundred twenty-one".

Divisors: 1 43 79 3397 680993 29282699 53798447 2313333221