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213301031031012 = 22323906974351279
BaseRepresentation
bin110000011111111100000100…
…001011110101000011100100
31000222020101020121010102020210
4300133330010023311003210
5210424211002420443022
62033353050233455420
762633330251534101
oct6037740413650344
91028211217112223
10213301031031012
1161a675062a8191
121bb0b203871570
13920327c559402
143a95b79a95aa8
15199d6b1695a0c
hexc1ff042f50e4

213301031031012 has 24 divisors (see below), whose sum is σ = 497704494268800. Its totient is φ = 71100045315616.

The previous prime is 213301031030947. The next prime is 213301031031029. The reversal of 213301031031012 is 210130130103312.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 213301031031012.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 34306812 + ... + 40044467.

It is an arithmetic number, because the mean of its divisors is an integer number (20737687261200).

Almost surely, 2213301031031012 is an apocalyptic number.

It is an amenable number.

213301031031012 is an abundant number, since it is smaller than the sum of its proper divisors (284403463237788).

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

213301031031012 is a wasteful number, since it uses less digits than its factorization.

213301031031012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74590355 (or 74590353 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 213301031031012 its reverse (210130130103312), we get a palindrome (423431161134324).

The spelling of 213301031031012 in words is "two hundred thirteen trillion, three hundred one billion, thirty-one million, thirty-one thousand, twelve".

Divisors: 1 2 3 4 6 12 239069 478138 717207 956276 1434414 2868828 74351279 148702558 223053837 297405116 446107674 892215348 17775085919251 35550171838502 53325257757753 71100343677004 106650515515506 213301031031012