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1230334313 = 1394641101
BaseRepresentation
bin100100101010101…
…0110100101101001
310011202002110101112
41021111112211221
510004431144223
6322030200105
742326445335
oct11125264551
93152073345
101230334313
1158154541a
122a4053035
13167b85690
14b95887c5
157302d778
hex49556969

1230334313 has 4 divisors (see below), whose sum is σ = 1324975428. Its totient is φ = 1135693200.

The previous prime is 1230334297. The next prime is 1230334321. The reversal of 1230334313 is 3134330321.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 472323289 + 758011024 = 21733^2 + 27532^2 .

It is a cyclic number.

It is not a de Polignac number, because 1230334313 - 24 = 1230334297 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1230334393) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47320538 + ... + 47320563.

It is an arithmetic number, because the mean of its divisors is an integer number (331243857).

Almost surely, 21230334313 is an apocalyptic number.

1230334313 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1230334313 is a deficient number, since it is larger than the sum of its proper divisors (94641115).

1230334313 is an equidigital number, since it uses as much as digits as its factorization.

1230334313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94641114.

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

The square root of 1230334313 is about 35076.1216926843. The cubic root of 1230334313 is about 1071.5383331860.

Adding to 1230334313 its reverse (3134330321), we get a palindrome (4364664634).

The spelling of 1230334313 in words is "one billion, two hundred thirty million, three hundred thirty-four thousand, three hundred thirteen".

Divisors: 1 13 94641101 1230334313