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313201331312 = 2431679424691
BaseRepresentation
bin1001000111011000100…
…00010000110001110000
31002221102112120010211212
410203230100100301300
520112414020100222
6355514355255252
731425264250622
oct4435420206160
91087375503755
10313201331312
11110911a93971
125084a5aa528
13236c4b3285c
1411232518c12
15823162e6e2
hex48ec410c70

313201331312 has 40 divisors (see below), whose sum is σ = 635752023552. Its totient is φ = 149287089600.

The previous prime is 313201331263. The next prime is 313201331321. The reversal of 313201331312 is 213133102313.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4679114 + ... + 4745577.

Almost surely, 2313201331312 is an apocalyptic number.

It is an amenable number.

313201331312 is an abundant number, since it is smaller than the sum of its proper divisors (322550692240).

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

313201331312 is a wasteful number, since it uses less digits than its factorization.

313201331312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9424797 (or 9424791 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 313201331312 its reverse (213133102313), we get a palindrome (526334433625).

The spelling of 313201331312 in words is "three hundred thirteen billion, two hundred one million, three hundred thirty-one thousand, three hundred twelve".

Divisors: 1 2 4 8 16 31 62 67 124 134 248 268 496 536 1072 2077 4154 8308 16616 33232 9424691 18849382 37698764 75397528 150795056 292165421 584330842 631454297 1168661684 1262908594 2337323368 2525817188 4674646736 5051634376 10103268752 19575083207 39150166414 78300332828 156600665656 313201331312