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231222111112303 = 827279591428189
BaseRepresentation
bin110100100100101110010111…
…110011000000110001101111
31010022200121200110222210221021
4310210232113303000301233
5220301320340421043203
62135433545455115011
766463150315042243
oct6444562763006157
91108617613883837
10231222111112303
1167746823858423
1221b24489212a67
139c031c7b6c51c
1441152d1d20423
151bae93ecce5bd
hexd24b97cc0c6f

231222111112303 has 4 divisors (see below), whose sum is σ = 231501702541320. Its totient is φ = 230942519683288.

The previous prime is 231222111112301. The next prime is 231222111112351. The reversal of 231222111112303 is 303211111222132.

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 231222111112303 - 21 = 231222111112301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231222111112301) 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, 139795713268 + ... + 139795714921.

It is an arithmetic number, because the mean of its divisors is an integer number (57875425635330).

Almost surely, 2231222111112303 is an apocalyptic number.

231222111112303 is a deficient number, since it is larger than the sum of its proper divisors (279591429017).

231222111112303 is an equidigital number, since it uses as much as digits as its factorization.

231222111112303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279591429016.

The product of its (nonzero) digits is 864, while the sum is 25.

Adding to 231222111112303 its reverse (303211111222132), we get a palindrome (534433222334435).

The spelling of 231222111112303 in words is "two hundred thirty-one trillion, two hundred twenty-two billion, one hundred eleven million, one hundred twelve thousand, three hundred three".

Divisors: 1 827 279591428189 231222111112303