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12023311230031 = 106747111263361
BaseRepresentation
bin1010111011110110010100…
…1100011110010001001111
31120120102021020021021201111
42232331211030132101033
53033442220133330111
641323233302352451
72350440601133203
oct256754514362117
946512236237644
1012023311230031
11391606a818a72
12142224672b727
13692a410ac21a
142d7d07964b03
1515cb4970ba21
hexaef6531e44f

12023311230031 has 4 divisors (see below), whose sum is σ = 12023323560864. Its totient is φ = 12023298899200.

The previous prime is 12023311230019. The next prime is 12023311230041. The reversal of 12023311230031 is 13003211332021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12023311230031 - 227 = 12023177012303 is a prime.

It is a super-2 number, since 2×120233112300312 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12023311229984 and 12023311230011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12023311230041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4564210 + ... + 6699151.

It is an arithmetic number, because the mean of its divisors is an integer number (3005830890216).

Almost surely, 212023311230031 is an apocalyptic number.

12023311230031 is a deficient number, since it is larger than the sum of its proper divisors (12330833).

12023311230031 is a wasteful number, since it uses less digits than its factorization.

12023311230031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12330832.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 12023311230031 its reverse (13003211332021), we get a palindrome (25026522562052).

The spelling of 12023311230031 in words is "twelve trillion, twenty-three billion, three hundred eleven million, two hundred thirty thousand, thirty-one".

Divisors: 1 1067471 11263361 12023311230031