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12310232321 = 172632753351
BaseRepresentation
bin10110111011011111…
…10011110100000001
31011202220212121002102
423131233303310001
5200202404413241
65353311000145
7614026151102
oct133557636401
934686777072
1012310232321
115247894822
122476809055
131212505b4a
1484acd63a9
154c0b0139b
hex2ddbf3d01

12310232321 has 8 divisors (see below), whose sum is σ = 13083928704. Its totient is φ = 11542043200.

The previous prime is 12310232303. The next prime is 12310232327. The reversal of 12310232321 is 12323201321.

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 12310232321 - 26 = 12310232257 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12310232293 and 12310232302.

It is not an unprimeable number, because it can be changed into a prime (12310232327) 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, 1372205 + ... + 1381146.

It is an arithmetic number, because the mean of its divisors is an integer number (1635491088).

Almost surely, 212310232321 is an apocalyptic number.

It is an amenable number.

12310232321 is a deficient number, since it is larger than the sum of its proper divisors (773696383).

12310232321 is a wasteful number, since it uses less digits than its factorization.

12310232321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2753631.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 12310232321 its reverse (12323201321), we get a palindrome (24633433642).

The spelling of 12310232321 in words is "twelve billion, three hundred ten million, two hundred thirty-two thousand, three hundred twenty-one".

Divisors: 1 17 263 4471 2753351 46806967 724131313 12310232321