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231300301243 = 1121027300113
BaseRepresentation
bin1101011101101010010…
…0101000000110111011
3211010000201022201211211
43113122210220012323
512242200334114433
6254131412103551
722465560056404
oct3273244500673
9733021281754
10231300301243
118a103a98860
12389b2004bb7
1318a71bc639b
14b2a30c89ab
15603b2ec8cd
hex35da9281bb

231300301243 has 4 divisors (see below), whose sum is σ = 252327601368. Its totient is φ = 210273001120.

The previous prime is 231300301229. The next prime is 231300301247. The reversal of 231300301243 is 342103003132.

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

It is a cyclic number.

It is not a de Polignac number, because 231300301243 - 213 = 231300293051 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231300301247) 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, 10513650046 + ... + 10513650067.

It is an arithmetic number, because the mean of its divisors is an integer number (63081900342).

Almost surely, 2231300301243 is an apocalyptic number.

231300301243 is a deficient number, since it is larger than the sum of its proper divisors (21027300125).

231300301243 is a wasteful number, since it uses less digits than its factorization.

231300301243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21027300124.

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

Adding to 231300301243 its reverse (342103003132), we get a palindrome (573403304375).

The spelling of 231300301243 in words is "two hundred thirty-one billion, three hundred million, three hundred one thousand, two hundred forty-three".

Divisors: 1 11 21027300113 231300301243