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231130320212303 = 17101154387241013
BaseRepresentation
bin110100100011011000111000…
…101000100001000101001111
31010022100211202102012221212022
4310203120320220201011033
5220243314343433243203
62135323445301400355
766453420541212011
oct6443307050410517
91108324672187768
10231130320212303
1167710900228696
1221b0a7307090bb
139bc7659cc5205
144110aa52381b1
151bac36b5e5a38
hexd23638a2114f

231130320212303 has 16 divisors (see below), whose sum is σ = 247309430630976. Its totient is φ = 215241024806400.

The previous prime is 231130320212249. The next prime is 231130320212327. The reversal of 231130320212303 is 303212023031132.

It is a cyclic number.

It is not a de Polignac number, because 231130320212303 - 216 = 231130320146767 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231130320211303) 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, 40971176 + ... + 46269837.

It is an arithmetic number, because the mean of its divisors is an integer number (15456839414436).

Almost surely, 2231130320212303 is an apocalyptic number.

231130320212303 is a deficient number, since it is larger than the sum of its proper divisors (16179110418673).

231130320212303 is a wasteful number, since it uses less digits than its factorization.

231130320212303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87242674.

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 231130320212303 its reverse (303212023031132), we get a palindrome (534342343243435).

The spelling of 231130320212303 in words is "two hundred thirty-one trillion, one hundred thirty billion, three hundred twenty million, two hundred twelve thousand, three hundred three".

Divisors: 1 17 101 1543 1717 26231 155843 2649331 87241013 1483097221 8811342313 134612883059 149792819321 2288419012003 13595901188959 231130320212303