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2231212312230 = 2351115743065283
BaseRepresentation
bin100000011101111110100…
…111100000011010100110
321220022011000121021120120
4200131332213200122212
5243024010322442410
64425001011142410
7320125343505636
oct40357647403246
97808130537516
102231212312230
11790285201150
123005105a4a06
13132530160c45
1479dc3dd26c6
153d08b6e9570
hex2077e9e06a6

2231212312230 has 64 divisors (see below), whose sum is σ = 5878928049408. Its totient is φ = 537454719360.

The previous prime is 2231212312193. The next prime is 2231212312237. The reversal of 2231212312230 is 322132121322.

2231212312230 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×22312123122303 (a number of 38 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2231212312230.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2231212312237) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21480832 + ... + 21584451.

It is an arithmetic number, because the mean of its divisors is an integer number (91858250772).

Almost surely, 22231212312230 is an apocalyptic number.

2231212312230 is an abundant number, since it is smaller than the sum of its proper divisors (3647715737178).

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

2231212312230 is a wasteful number, since it uses less digits than its factorization.

2231212312230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43065461.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 2231212312230 its reverse (322132121322), we get a palindrome (2553344433552).

The spelling of 2231212312230 in words is "two trillion, two hundred thirty-one billion, two hundred twelve million, three hundred twelve thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 11 15 22 30 33 55 66 110 157 165 314 330 471 785 942 1570 1727 2355 3454 4710 5181 8635 10362 17270 25905 51810 43065283 86130566 129195849 215326415 258391698 430652830 473718113 645979245 947436226 1291958490 1421154339 2368590565 2842308678 4737181130 6761249431 7105771695 13522498862 14211543390 20283748293 33806247155 40567496586 67612494310 74373743741 101418741465 148747487482 202837482930 223121231223 371868718705 446242462446 743737437410 1115606156115 2231212312230