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10311220223 = 891995771009
BaseRepresentation
bin10011001101001100…
…01011101111111111
3222121121101021000022
421212212023233333
5132104133021343
64423101122355
7513343632353
oct114646135777
928547337008
1010311220223
114411462407
121bb92593bb
13c84316355
146db617463
15405386568
hex26698bbff

10311220223 has 16 divisors (see below), whose sum is σ = 10508040000. Its totient is φ = 10116513792.

The previous prime is 10311220201. The next prime is 10311220243. The reversal of 10311220223 is 32202211301.

It is a cyclic number.

It is not a de Polignac number, because 10311220223 - 26 = 10311220159 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 (10311220243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10218743 + ... + 10219751.

It is an arithmetic number, because the mean of its divisors is an integer number (656752500).

Almost surely, 210311220223 is an apocalyptic number.

10311220223 is a deficient number, since it is larger than the sum of its proper divisors (196819777).

10311220223 is a wasteful number, since it uses less digits than its factorization.

10311220223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1874.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 10311220223 its reverse (32202211301), we get a palindrome (42513431524).

The spelling of 10311220223 in words is "ten billion, three hundred eleven million, two hundred twenty thousand, two hundred twenty-three".

Divisors: 1 89 199 577 1009 17711 51353 89801 114823 200791 582193 10219247 17870399 51815177 115856407 10311220223