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231121101343 = 1154373864449
BaseRepresentation
bin1101011100111111100…
…1000010001000011111
3211002120020010102210111
43113033321002020133
512241314000220333
6254101531150451
722461252642616
oct3271771021037
9732506112714
10231121101343
118a021922270
1238961ba5427
1318a43a42742
14b28739c87d
15602a7014cd
hex35cfe4221f

231121101343 has 8 divisors (see below), whose sum is σ = 252178549200. Its totient is φ = 210071393280.

The previous prime is 231121101331. The next prime is 231121101391. The reversal of 231121101343 is 343101121132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 231121101343 - 25 = 231121101311 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 (231121101313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1872418 + ... + 1992031.

It is an arithmetic number, because the mean of its divisors is an integer number (31522318650).

Almost surely, 2231121101343 is an apocalyptic number.

231121101343 is a deficient number, since it is larger than the sum of its proper divisors (21057447857).

231121101343 is a wasteful number, since it uses less digits than its factorization.

231121101343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3869897.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 231121101343 its reverse (343101121132), we get a palindrome (574222222475).

The spelling of 231121101343 in words is "two hundred thirty-one billion, one hundred twenty-one million, one hundred one thousand, three hundred forty-three".

Divisors: 1 11 5437 59807 3864449 42508939 21011009213 231121101343