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320230211111 = 2313923052657
BaseRepresentation
bin1001010100011110011…
…01010011111000100111
31010121120101122020021022
410222033031103320213
520221312413223421
6403040044441355
732064413611556
oct4521715237047
91117511566238
10320230211111
11113899673338
125209054925b
132427510a925
14116dbc31d9d
1584e37507ab
hex4a8f353e27

320230211111 has 4 divisors (see below), whose sum is σ = 334153263792. Its totient is φ = 306307158432.

The previous prime is 320230211099. The next prime is 320230211113. The reversal of 320230211111 is 111112032023.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 111112032023 = 831338699181.

It is a cyclic number.

It is not a de Polignac number, because 320230211111 - 238 = 45352304167 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 320230211111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320230211113) 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, 6961526306 + ... + 6961526351.

It is an arithmetic number, because the mean of its divisors is an integer number (83538315948).

Almost surely, 2320230211111 is an apocalyptic number.

320230211111 is a deficient number, since it is larger than the sum of its proper divisors (13923052681).

320230211111 is a wasteful number, since it uses less digits than its factorization.

320230211111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13923052680.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 320230211111 its reverse (111112032023), we get a palindrome (431342243134).

The spelling of 320230211111 in words is "three hundred twenty billion, two hundred thirty million, two hundred eleven thousand, one hundred eleven".

Divisors: 1 23 13923052657 320230211111