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231143431322314 = 27192337780881223
BaseRepresentation
bin110100100011100101000110…
…000111011011101011001010
31010022102002121011002100121101
4310203211012013123223022
5220244023221404303224
62135333454302132014
766454363463623360
oct6443450607335312
91108362534070541
10231143431322314
11677164190a26a5
1221b1118b58100a
139bc89693ca584
14411158a647630
151bac887694044
hexd239461dbaca

231143431322314 has 32 divisors (see below), whose sum is σ = 435235751700480. Its totient is φ = 89767373783472.

The previous prime is 231143431322213. The next prime is 231143431322339. The reversal of 231143431322314 is 413223134341132.

It is a happy number.

231143431322314 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18890434494 + ... + 18890446729.

It is an arithmetic number, because the mean of its divisors is an integer number (13601117240640).

Almost surely, 2231143431322314 is an apocalyptic number.

231143431322314 is a deficient number, since it is larger than the sum of its proper divisors (204092320378166).

231143431322314 is a wasteful number, since it uses less digits than its factorization.

231143431322314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37780881274.

The product of its digits is 124416, while the sum is 37.

Adding to 231143431322314 its reverse (413223134341132), we get a palindrome (644366565663446).

The spelling of 231143431322314 in words is "two hundred thirty-one trillion, one hundred forty-three billion, four hundred thirty-one million, three hundred twenty-two thousand, three hundred fourteen".

Divisors: 1 2 7 14 19 23 38 46 133 161 266 322 437 874 3059 6118 37780881223 75561762446 264466168561 528932337122 717836743237 868960268129 1435673486474 1737920536258 5024857202659 6082721876903 10049714405318 12165443753806 16510245094451 33020490188902 115571715661157 231143431322314