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231323130322332 = 22323718130294191
BaseRepresentation
bin110100100110001100011101…
…000000101101110110011100
31010100001021102200110101111120
4310212030131000231312130
5220304444232330303312
62135552213511250540
766503354546130456
oct6446143500556634
91110037380411446
10231323130322332
1167785652538064
1221b3bb80379a50
139c0c8a6883b09
14411a15648d2d6
151bb23a374228c
hexd2631d02dd9c

231323130322332 has 24 divisors (see below), whose sum is σ = 539981619055872. Its totient is φ = 77075188921200.

The previous prime is 231323130322327. The next prime is 231323130322357. The reversal of 231323130322332 is 233223031323132.

It is a junction number, because it is equal to n+sod(n) for n = 231323130322293 and 231323130322302.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4065118644 + ... + 4065175547.

It is an arithmetic number, because the mean of its divisors is an integer number (22499234127328).

Almost surely, 2231323130322332 is an apocalyptic number.

It is an amenable number.

231323130322332 is an abundant number, since it is smaller than the sum of its proper divisors (308658488733540).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

231323130322332 is a wasteful number, since it uses less digits than its factorization.

231323130322332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8130296569 (or 8130296567 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 33.

Adding to 231323130322332 its reverse (233223031323132), we get a palindrome (464546161645464).

The spelling of 231323130322332 in words is "two hundred thirty-one trillion, three hundred twenty-three billion, one hundred thirty million, three hundred twenty-two thousand, three hundred thirty-two".

Divisors: 1 2 3 4 6 12 2371 4742 7113 9484 14226 28452 8130294191 16260588382 24390882573 32521176764 48781765146 97563530292 19276927526861 38553855053722 57830782580583 77107710107444 115661565161166 231323130322332