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11031103223 = 71575871889
BaseRepresentation
bin10100100011000000…
…10100011011110111
31001110202222002211122
422101200110123313
5140042430300343
65022334454155
7540234554540
oct122140243367
931422862748
1011031103223
114750852138
12217a36435b
13106a4c781a
147690894c7
15448685068
hex2918146f7

11031103223 has 4 divisors (see below), whose sum is σ = 12606975120. Its totient is φ = 9455231328.

The previous prime is 11031103211. The next prime is 11031103247. The reversal of 11031103223 is 32230113011.

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 11031103223 - 224 = 11014326007 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 (11031103253) 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, 787935938 + ... + 787935951.

It is an arithmetic number, because the mean of its divisors is an integer number (3151743780).

Almost surely, 211031103223 is an apocalyptic number.

11031103223 is a deficient number, since it is larger than the sum of its proper divisors (1575871897).

11031103223 is an equidigital number, since it uses as much as digits as its factorization.

11031103223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1575871896.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 11031103223 its reverse (32230113011), we get a palindrome (43261216234).

The spelling of 11031103223 in words is "eleven billion, thirty-one million, one hundred three thousand, two hundred twenty-three".

Divisors: 1 7 1575871889 11031103223