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313243102312 = 23716349968771
BaseRepresentation
bin1001000111011101011…
…11100110110001101000
31002221112110011022212221
410203232233212301220
520113010213233222
6355522450443424
731426312303150
oct4435657466150
91087473138787
10313243102312
11110933624058
1250860593574
132370069951a
1411237cad760
1582351310c7
hex48eebe6c68

313243102312 has 64 divisors (see below), whose sum is σ = 676716480000. Its totient is φ = 133154124480.

The previous prime is 313243102309. The next prime is 313243102327. The reversal of 313243102312 is 213201342313.

It is a super-2 number, since 2×3132431023122 (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4520487 + ... + 4589257.

It is an arithmetic number, because the mean of its divisors is an integer number (10573695000).

Almost surely, 2313243102312 is an apocalyptic number.

It is an amenable number.

313243102312 is an abundant number, since it is smaller than the sum of its proper divisors (363473377688).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

313243102312 is a wasteful number, since it uses less digits than its factorization.

313243102312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69446 (or 69442 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 313243102312 its reverse (213201342313), we get a palindrome (526444444625).

The spelling of 313243102312 in words is "three hundred thirteen billion, two hundred forty-three million, one hundred two thousand, three hundred twelve".

Divisors: 1 2 4 7 8 14 28 56 163 326 499 652 998 1141 1304 1996 2282 3493 3992 4564 6986 9128 13972 27944 68771 81337 137542 162674 275084 325348 481397 550168 569359 650696 962794 1138718 1925588 2277436 3851176 4554872 11209673 22419346 34316729 44838692 68633458 78467711 89677384 137266916 156935422 240217103 274533832 313870844 480434206 627741688 960868412 1921736824 5593626827 11187253654 22374507308 39155387789 44749014616 78310775578 156621551156 313243102312