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12310322002131 = 3233731211544987
BaseRepresentation
bin1011001100100011100001…
…0111101011100011010011
31121120212002111200011112210
42303020320113223203103
53103143014413032011
642103141151323203
72410251153344466
oct263107027534323
947525074604483
1012310322002131
113a1686192807a
1214699a5b20503
136b3b20b3b25a
14307b739432dd
151653468956a6
hexb32385eb8d3

12310322002131 has 32 divisors (see below), whose sum is σ = 17595954851328. Its totient is φ = 7635444410880.

The previous prime is 12310322002087. The next prime is 12310322002141. The reversal of 12310322002131 is 13120022301321.

It is not a de Polignac number, because 12310322002131 - 27 = 12310322002003 is a prime.

It is a super-2 number, since 2×123103220021312 (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12310322002098 and 12310322002107.

It is not an unprimeable number, because it can be changed into a prime (12310322002141) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 7195420 + ... + 8740406.

It is an arithmetic number, because the mean of its divisors is an integer number (549873589104).

Almost surely, 212310322002131 is an apocalyptic number.

12310322002131 is a deficient number, since it is larger than the sum of its proper divisors (5285632849197).

12310322002131 is a wasteful number, since it uses less digits than its factorization.

12310322002131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1548171.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 12310322002131 its reverse (13120022301321), we get a palindrome (25430344303452).

The spelling of 12310322002131 in words is "twelve trillion, three hundred ten billion, three hundred twenty-two million, two thousand, one hundred thirty-one".

Divisors: 1 3 23 37 69 111 851 2553 3121 9363 71783 115477 215349 346431 1544987 2655971 4634961 7967913 35534701 57164519 106604103 171493557 1314783937 3944351811 4821904427 14465713281 110903801821 178410463799 332711405463 535231391397 4103440667377 12310322002131