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231300111311 = 1955721855817
BaseRepresentation
bin1101011101101010001…
…1111001101111001111
3211010000200222002022022
43113122203321233033
512242200312030221
6254131404040355
722465555335563
oct3273243715717
9733020862268
10231300111311
118a103979095
12389b1b330bb
1318a71b5aab9
14b2a30796a3
15603b2b14ab
hex35da8f9bcf

231300111311 has 8 divisors (see below), whose sum is σ = 243910928880. Its totient is φ = 218733006528.

The previous prime is 231300111269. The next prime is 231300111331. The reversal of 231300111311 is 113111003132.

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 231300111311 - 26 = 231300111247 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 231300111311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231300111331) 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, 10917326 + ... + 10938491.

It is an arithmetic number, because the mean of its divisors is an integer number (30488866110).

Almost surely, 2231300111311 is an apocalyptic number.

231300111311 is a deficient number, since it is larger than the sum of its proper divisors (12610817569).

231300111311 is a wasteful number, since it uses less digits than its factorization.

231300111311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21856393.

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 231300111311 its reverse (113111003132), we get a palindrome (344411114443).

The spelling of 231300111311 in words is "two hundred thirty-one billion, three hundred million, one hundred eleven thousand, three hundred eleven".

Divisors: 1 19 557 10583 21855817 415260523 12173690069 231300111311