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231222311344404 = 223319112681438277
BaseRepresentation
bin110100100100101110100011…
…101110110101100100010100
31010022200122012102202122202000
4310210232203232311210110
5220301321243201010104
62135434021410515300
766463155266014302
oct6444564356654424
91108618172678660
10231222311344404
11677469168897a6
1221b24524295b30
139c0322a4a8363
144115310763272
151bae952682639
hexd24ba3bb5914

231222311344404 has 48 divisors (see below), whose sum is σ = 631016054356800. Its totient is φ = 73017572002848.

The previous prime is 231222311344397. The next prime is 231222311344411. The reversal of 231222311344404 is 404443113222132.

231222311344404 is a `hidden beast` number, since 2 + 3 + 1 + 2 + 2 + 231 + 13 + 4 + 4 + 404 = 666.

231222311344404 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (231222311344397) and next prime (231222311344411).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

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, 56340717087 + ... + 56340721190.

It is an arithmetic number, because the mean of its divisors is an integer number (13146167799100).

Almost surely, 2231222311344404 is an apocalyptic number.

It is an amenable number.

231222311344404 is an abundant number, since it is smaller than the sum of its proper divisors (399793743012396).

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

231222311344404 is a wasteful number, since it uses less digits than its factorization.

231222311344404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112681438309 (or 112681438301 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 36.

Adding to 231222311344404 its reverse (404443113222132), we get a palindrome (635665424566536).

The spelling of 231222311344404 in words is "two hundred thirty-one trillion, two hundred twenty-two billion, three hundred eleven million, three hundred forty-four thousand, four hundred four".

Divisors: 1 2 3 4 6 9 12 18 19 27 36 38 54 57 76 108 114 171 228 342 513 684 1026 2052 112681438277 225362876554 338044314831 450725753108 676088629662 1014132944493 1352177259324 2028265888986 2140947327263 3042398833479 4056531777972 4281894654526 6084797666958 6422841981789 8563789309052 12169595333916 12845683963578 19268525945367 25691367927156 38537051890734 57805577836101 77074103781468 115611155672202 231222311344404