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2303313121 = 19112919341
BaseRepresentation
bin1000100101001001…
…1100010011100001
312221112002102121101
42021102130103201
514204122004441
61020315554401
7111035560414
oct21122342341
95845072541
102303313121
11a8218426a
1254345ba01
132a9265195
1417bc91b7b
15d7328231
hex8949c4e1

2303313121 has 8 divisors (see below), whose sum is σ = 2317413888. Its totient is φ = 2289234000.

The previous prime is 2303313107. The next prime is 2303313143. The reversal of 2303313121 is 1213133032.

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 2303313121 - 27 = 2303312993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2303313101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 241911 + ... + 251251.

It is an arithmetic number, because the mean of its divisors is an integer number (289676736).

Almost surely, 22303313121 is an apocalyptic number.

It is an amenable number.

2303313121 is a deficient number, since it is larger than the sum of its proper divisors (14100767).

2303313121 is a wasteful number, since it uses less digits than its factorization.

2303313121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10823.

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 2303313121 is about 47992.8444770676. The cubic root of 2303313121 is about 1320.6396350955.

Adding to 2303313121 its reverse (1213133032), we get a palindrome (3516446153).

The spelling of 2303313121 in words is "two billion, three hundred three million, three hundred thirteen thousand, one hundred twenty-one".

Divisors: 1 191 1291 9341 246581 1784131 12059231 2303313121