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31023020003300 = 225213219712897229
BaseRepresentation
bin1110000110111000111000…
…00101100100111111100100
311001211202211121022111220222
413003130130011210333210
513031240121110101200
6145551440104143512
76351224233056413
oct703343405447744
9131752747274828
1031023020003300
119980875029166
123590576767b98
1314405c597ba00
14793744c0b47a
1538bea74a1d85
hex1c371c164fe4

31023020003300 has 216 divisors, whose sum is σ = 73333771572600. Its totient is φ = 11386091458560.

The previous prime is 31023020003263. The next prime is 31023020003317. The reversal of 31023020003300 is 330002032013.

It can be written as a sum of positive squares in 36 ways, for example, as 17573065216576 + 13449954786724 = 4192024^2 + 3667418^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 4291464086 + ... + 4291471314.

It is an arithmetic number, because the mean of its divisors is an integer number (339508201725).

Almost surely, 231023020003300 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31023020003300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36666885786300).

31023020003300 is an abundant number, since it is smaller than the sum of its proper divisors (42310751569300).

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

31023020003300 is a wasteful number, since it uses less digits than its factorization.

31023020003300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8755 (or 8735 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 17.

Adding to 31023020003300 its reverse (330002032013), we get a palindrome (31353022035313).

The spelling of 31023020003300 in words is "thirty-one trillion, twenty-three billion, twenty million, three thousand, three hundred".