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231122313297 = 3225680257033
BaseRepresentation
bin1101011100111111110…
…1101010000001010001
3211002120022102000021200
43113033331222001101
512241314303011142
6254102013141413
722461266151201
oct3271775520121
9732508360250
10231122313297
118a02257a887
123896248a869
1318a44078285
14b2875d6401
15602a89064c
hex35cff6a051

231122313297 has 6 divisors (see below), whose sum is σ = 333843341442. Its totient is φ = 154081542192.

The previous prime is 231122313277. The next prime is 231122313299. The reversal of 231122313297 is 792313221132.

It is a happy number.

231122313297 is a `hidden beast` number, since 2 + 31 + 1 + 22 + 313 + 297 = 666.

It can be written as a sum of positive squares in only one way, i.e., 174820989456 + 56301323841 = 418116^2 + 237279^2 .

It is not a de Polignac number, because 231122313297 - 210 = 231122312273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (231122313299) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12840128508 + ... + 12840128525.

It is an arithmetic number, because the mean of its divisors is an integer number (55640556907).

Almost surely, 2231122313297 is an apocalyptic number.

It is an amenable number.

231122313297 is a deficient number, since it is larger than the sum of its proper divisors (102721028145).

231122313297 is a wasteful number, since it uses less digits than its factorization.

231122313297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25680257039 (or 25680257036 counting only the distinct ones).

The product of its digits is 27216, while the sum is 36.

The spelling of 231122313297 in words is "two hundred thirty-one billion, one hundred twenty-two million, three hundred thirteen thousand, two hundred ninety-seven".

Divisors: 1 3 9 25680257033 77040771099 231122313297