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201231303310 = 25137146884163
BaseRepresentation
bin1011101101101001010…
…0100000001010001110
3201020102011012101002201
42323122110200022032
511244110203201220
6232235553112114
720352461566402
oct2733224401216
9636364171081
10201231303310
1178383908644
1232bbbb5863a
1315c8c45390b
149a4d83d102
15537b5e4d0a
hex2eda52028e

201231303310 has 16 divisors (see below), whose sum is σ = 364860263376. Its totient is φ = 79904984128.

The previous prime is 201231303281. The next prime is 201231303341. The reversal of 201231303310 is 13303132102.

It is a super-2 number, since 2×2012313033102 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73440712 + ... + 73443451.

It is an arithmetic number, because the mean of its divisors is an integer number (22803766461).

Almost surely, 2201231303310 is an apocalyptic number.

201231303310 is a deficient number, since it is larger than the sum of its proper divisors (163628960066).

201231303310 is a wasteful number, since it uses less digits than its factorization.

201231303310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146884307.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 201231303310 its reverse (13303132102), we get a palindrome (214534435412).

The spelling of 201231303310 in words is "two hundred one billion, two hundred thirty-one million, three hundred three thousand, three hundred ten".

Divisors: 1 2 5 10 137 274 685 1370 146884163 293768326 734420815 1468841630 20123130331 40246260662 100615651655 201231303310