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31133043132230 = 25131392469169779
BaseRepresentation
bin1110001010000101110011…
…11110100000011101000110
311002020021211022020120020002
413011002321332200131012
513040040433020212410
6150114153401441302
76362200555200224
oct705027176403506
9132207738216202
1031133043132230
119a134a4236396
1235a99611a0232
13144aaaabb6270
14798bc10d1b14
1538ec966177a5
hex1c50b9fa0746

31133043132230 has 64 divisors (see below), whose sum is σ = 60787713772800. Its totient is φ = 11411951863680.

The previous prime is 31133043132223. The next prime is 31133043132283. The reversal of 31133043132230 is 3223134033113.

It is a junction number, because it is equal to n+sod(n) for n = 31133043132193 and 31133043132202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 446131481 + ... + 446201259.

It is an arithmetic number, because the mean of its divisors is an integer number (949808027700).

Almost surely, 231133043132230 is an apocalyptic number.

31133043132230 is a deficient number, since it is larger than the sum of its proper divisors (29654670640570).

31133043132230 is a wasteful number, since it uses less digits than its factorization.

31133043132230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94629.

The product of its (nonzero) digits is 11664, while the sum is 29.

Adding to 31133043132230 its reverse (3223134033113), we get a palindrome (34356177165343).

The spelling of 31133043132230 in words is "thirty-one trillion, one hundred thirty-three billion, forty-three million, one hundred thirty-two thousand, two hundred thirty".

Divisors: 1 2 5 10 13 26 65 130 139 278 695 1390 1807 3614 9035 18070 24691 49382 69779 123455 139558 246910 320983 348895 641966 697790 907127 1604915 1814254 3209830 3432049 4535635 6864098 9071270 9699281 17160245 19398562 34320490 44616637 48496405 89233274 96992810 126090653 223083185 252181306 446166370 630453265 1260906530 1722913289 3445826578 8614566445 17229132890 22397872757 44795745514 111989363785 223978727570 239484947171 478969894342 1197424735855 2394849471710 3113304313223 6226608626446 15566521566115 31133043132230