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12331332303231 = 316724613437731
BaseRepresentation
bin1011001101110001110010…
…1011100111100101111111
31121122212022202021001100210
42303130130223213211333
53104014032032200411
642120534051123503
72411623624064604
oct263343453474577
947585282231323
1012331332303231
113a24763676287
121471a8a2a3593
136b5abb91b996
14308ba80986ab
15165b76179ca6
hexb371cae797f

12331332303231 has 8 divisors (see below), whose sum is σ = 16540230155904. Its totient is φ = 8171661326360.

The previous prime is 12331332303193. The next prime is 12331332303253. The reversal of 12331332303231 is 13230323313321.

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 12331332303231 - 26 = 12331332303167 is a prime.

It is a super-2 number, since 2×123313323032312 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12331332303271) 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, 12306718365 + ... + 12306719366.

It is an arithmetic number, because the mean of its divisors is an integer number (2067528769488).

Almost surely, 212331332303231 is an apocalyptic number.

12331332303231 is a deficient number, since it is larger than the sum of its proper divisors (4208897852673).

12331332303231 is a wasteful number, since it uses less digits than its factorization.

12331332303231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24613437901.

The product of its (nonzero) digits is 17496, while the sum is 30.

Adding to 12331332303231 its reverse (13230323313321), we get a palindrome (25561655616552).

The spelling of 12331332303231 in words is "twelve trillion, three hundred thirty-one billion, three hundred thirty-two million, three hundred three thousand, two hundred thirty-one".

Divisors: 1 3 167 501 24613437731 73840313193 4110444101077 12331332303231