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31043102212343 = 138819270771169
BaseRepresentation
bin1110000111011110010010…
…00101001000000011110111
311001220200200011112102210002
413003233021011020003313
513032102233131243333
6150005000531421515
76352535004040004
oct703571105100367
9131820604472702
1031043102212343
11998933a9a8041
12359444015489b
1314424763ab340
147946cbdb28ab
1538c78055b0e8
hex1c3bc91480f7

31043102212343 has 8 divisors (see below), whose sum is σ = 33434824071600. Its totient is φ = 28651921913088.

The previous prime is 31043102212271. The next prime is 31043102212363. The reversal of 31043102212343 is 34321220134013.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 31043102212343 - 212 = 31043102208247 is a prime.

It is a super-2 number, since 2×310431022123432 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31043102212363) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135270938 + ... + 135500231.

It is an arithmetic number, because the mean of its divisors is an integer number (4179353008950).

Almost surely, 231043102212343 is an apocalyptic number.

31043102212343 is a deficient number, since it is larger than the sum of its proper divisors (2391721859257).

31043102212343 is a wasteful number, since it uses less digits than its factorization.

31043102212343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270780001.

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 31043102212343 its reverse (34321220134013), we get a palindrome (65364322346356).

The spelling of 31043102212343 in words is "thirty-one trillion, forty-three billion, one hundred two million, two hundred twelve thousand, three hundred forty-three".

Divisors: 1 13 8819 114647 270771169 3520025197 2387930939411 31043102212343