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1213331323314 = 23111391097120563
BaseRepresentation
bin10001101010000000001…
…011101011100110110010
311021222211010221111120210
4101222000023223212302
5124334400304321224
62325221405044550
7153442324036605
oct21520013534662
94258733844523
101213331323314
1142863099a670
1217719a256756
138a5555038b6
1442a22c9c33c
1521865287429
hex11a802eb9b2

1213331323314 has 64 divisors (see below), whose sum is σ = 2668766123520. Its totient is φ = 364695227520.

The previous prime is 1213331323301. The next prime is 1213331323339. The reversal of 1213331323314 is 4133231333121.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10003597 + ... + 10124159.

It is an arithmetic number, because the mean of its divisors is an integer number (41699470680).

Almost surely, 21213331323314 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1213331323314, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1334383061760).

1213331323314 is an abundant number, since it is smaller than the sum of its proper divisors (1455434800206).

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

1213331323314 is a wasteful number, since it uses less digits than its factorization.

1213331323314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121815.

The product of its digits is 11664, while the sum is 30.

Adding to 1213331323314 its reverse (4133231333121), we get a palindrome (5346562656435).

The spelling of 1213331323314 in words is "one trillion, two hundred thirteen billion, three hundred thirty-one million, three hundred twenty-three thousand, three hundred fourteen".

Divisors: 1 2 3 6 11 22 33 66 139 278 417 834 1097 1529 2194 3058 3291 4587 6582 9174 12067 24134 36201 72402 120563 152483 241126 304966 361689 457449 723378 914898 1326193 1677313 2652386 3354626 3978579 5031939 7957158 10063878 16758257 33516514 50274771 100549542 132257611 184340827 264515222 368681654 396772833 553022481 793545666 1106044962 1454833721 2909667442 4364501163 8729002326 18383807929 36767615858 55151423787 110302847574 202221887219 404443774438 606665661657 1213331323314