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31020022010230 = 251111712351102433
BaseRepresentation
bin1110000110110011010010…
…11001001001000101110110
311001211111002200001200120121
413003121221121021011312
513031213001113311410
6145550222410522154
76351060030413011
oct703315131110566
9131744080050517
1031020022010230
11997a576809640
12358ba7a73635a
13144023881ab06
1479353c9a8378
1538bd7e1a79da
hex1c3669649176

31020022010230 has 64 divisors (see below), whose sum is σ = 60990586868736. Its totient is φ = 11265471360000.

The previous prime is 31020022010203. The next prime is 31020022010231. The reversal of 31020022010230 is 3201022002013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31020022010231) 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, 302781094 + ... + 302883526.

It is an arithmetic number, because the mean of its divisors is an integer number (952977919824).

Almost surely, 231020022010230 is an apocalyptic number.

31020022010230 is a deficient number, since it is larger than the sum of its proper divisors (29970564858506).

31020022010230 is a wasteful number, since it uses less digits than its factorization.

31020022010230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105973.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 31020022010230 its reverse (3201022002013), we get a palindrome (34221044012243).

The spelling of 31020022010230 in words is "thirty-one trillion, twenty billion, twenty-two million, ten thousand, two hundred thirty".

Divisors: 1 2 5 10 11 22 55 110 1171 2342 2351 4702 5855 11710 11755 12881 23510 25762 25861 51722 64405 102433 128810 129305 204866 258610 512165 1024330 1126763 2253526 2753021 5506042 5633815 11267630 13765105 27530210 30283231 60566462 119949043 151416155 239898086 240819983 302832310 481639966 599745215 1199490430 1204099915 1319439473 2408199830 2638878946 2649019813 5298039626 6597197365 13194394730 13245099065 26490198130 282000200093 564000400186 1410001000465 2820002000930 3102002201023 6204004402046 15510011005115 31020022010230