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231101213131343 = 4161136876751189
BaseRepresentation
bin110100100010111101110001…
…101101110100001001001111
31010022021001121220010001010202
4310202331301231310021033
5220242330241030200333
62135302233123524115
766451340333130452
oct6442756155641117
91108231556101122
10231101213131343
11676aa52401a985
1221b04b6882963b
139bc499b917799
14410d503625499
151bab71609a5e8
hexd22f71b7424f

231101213131343 has 16 divisors (see below), whose sum is σ = 240636391826880. Its totient is φ = 221752221523200.

The previous prime is 231101213131289. The next prime is 231101213131381. The reversal of 231101213131343 is 343131312101132.

It is a cyclic number.

It is not a de Polignac number, because 231101213131343 - 226 = 231101146022479 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 (231101213130343) 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, 30855593 + ... + 37606781.

It is an arithmetic number, because the mean of its divisors is an integer number (15039774489180).

Almost surely, 2231101213131343 is an apocalyptic number.

231101213131343 is a deficient number, since it is larger than the sum of its proper divisors (9535178695537).

231101213131343 is a wasteful number, since it uses less digits than its factorization.

231101213131343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6764978.

The product of its (nonzero) digits is 3888, while the sum is 29.

Adding to 231101213131343 its reverse (343131312101132), we get a palindrome (574232525232475).

The spelling of 231101213131343 in words is "two hundred thirty-one trillion, one hundred one billion, two hundred thirteen million, one hundred thirty-one thousand, three hundred forty-three".

Divisors: 1 41 61 2501 13687 561167 834907 6751189 34231187 276798749 411822529 16884723689 92403523843 3788544477563 5636614954423 231101213131343