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12313021313 = 412713732971
BaseRepresentation
bin10110111011110100…
…11100101110000001
31011210010010021212102
423131322130232001
5200204113140223
65353450440145
7614061645215
oct133572345601
934703107772
1012313021313
11524941a17a
122477733055
131212c71438
1484b420945
154c0ea2928
hex2dde9cb81

12313021313 has 16 divisors (see below), whose sum is σ = 12698095872. Its totient is φ = 11932272000.

The previous prime is 12313021297. The next prime is 12313021337. The reversal of 12313021313 is 31312031321.

It is a cyclic number.

It is not a de Polignac number, because 12313021313 - 24 = 12313021297 is a prime.

It is a super-2 number, since 2×123130213132 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12313021363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4142918 + ... + 4145888.

It is an arithmetic number, because the mean of its divisors is an integer number (793630992).

Almost surely, 212313021313 is an apocalyptic number.

It is an amenable number.

12313021313 is a deficient number, since it is larger than the sum of its proper divisors (385074559).

12313021313 is a wasteful number, since it uses less digits than its factorization.

12313021313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3656.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 12313021313 its reverse (31312031321), we get a palindrome (43625052634).

The spelling of 12313021313 in words is "twelve billion, three hundred thirteen million, twenty-one thousand, three hundred thirteen".

Divisors: 1 41 271 373 2971 11111 15293 101083 121811 805141 1108183 4144403 33010781 45435503 300317593 12313021313