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31023132023120 = 2452831370279683
BaseRepresentation
bin1110000110111001000101…
…10000111001100101010000
311001211210010102002201020012
413003130202300321211100
513031240333244214440
6145551455145134052
76351230063162666
oct703344260714520
9131753112081205
1031023132023120
11998092228a326
1235905a818a328
131440612c40523
14793755a4ac36
1538beb222ce65
hex1c3722c39950

31023132023120 has 40 divisors (see below), whose sum is σ = 72383654027616. Its totient is φ = 12365403850368.

The previous prime is 31023132023089. The next prime is 31023132023167. The reversal of 31023132023120 is 2132023132013.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 685117202 + ... + 685162481.

Almost surely, 231023132023120 is an apocalyptic number.

It is an amenable number.

31023132023120 is an abundant number, since it is smaller than the sum of its proper divisors (41360522004496).

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

31023132023120 is a wasteful number, since it uses less digits than its factorization.

31023132023120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1370279979 (or 1370279973 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 31023132023120 its reverse (2132023132013), we get a palindrome (33155155155133).

The spelling of 31023132023120 in words is "thirty-one trillion, twenty-three billion, one hundred thirty-two million, twenty-three thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 80 283 566 1132 1415 2264 2830 4528 5660 11320 22640 1370279683 2740559366 5481118732 6851398415 10962237464 13702796830 21924474928 27405593660 54811187320 109622374640 387789150289 775578300578 1551156601156 1938945751445 3102313202312 3877891502890 6204626404624 7755783005780 15511566011560 31023132023120