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201231230301 = 32115119425739
BaseRepresentation
bin1011101101101001010…
…0001110010101011101
3201020102011001122221200
42323122110032111131
511244110143332201
6232235551350113
720352461143503
oct2733224162535
9636364048850
10201231230301
1178383868802
1232bbbb22339
1315c8c42960a
149a4d820673
15537b5cd386
hex2eda50e55d

201231230301 has 12 divisors (see below), whose sum is σ = 290919882240. Its totient is φ = 134037592200.

The previous prime is 201231230297. The next prime is 201231230303. The reversal of 201231230301 is 103032132102.

201231230301 is a `hidden beast` number, since 20 + 1 + 2 + 312 + 30 + 301 = 666.

It is not a de Polignac number, because 201231230301 - 22 = 201231230297 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201231230303) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9702511 + ... + 9723228.

It is an arithmetic number, because the mean of its divisors is an integer number (24243323520).

Almost surely, 2201231230301 is an apocalyptic number.

It is an amenable number.

201231230301 is a deficient number, since it is larger than the sum of its proper divisors (89688651939).

201231230301 is a wasteful number, since it uses less digits than its factorization.

201231230301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19426896 (or 19426893 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 201231230301 its reverse (103032132102), we get a palindrome (304263362403).

The spelling of 201231230301 in words is "two hundred one billion, two hundred thirty-one million, two hundred thirty thousand, three hundred one".

Divisors: 1 3 9 1151 3453 10359 19425739 58277217 174831651 22359025589 67077076767 201231230301