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1031023132230 = 235713389970859
BaseRepresentation
bin11110000000011011100…
…01000111111001000110
310122120020202220211102110
433000031301013321012
5113343013410212410
62105351231521450
7134326500011460
oct17001561077106
93576222824373
101031023132230
11368288752353
1214799b689286
13762c0609b10
1437c8a701130
151bc450e0720
hexf00dc47e46

1031023132230 has 128 divisors (see below), whose sum is σ = 3053315865600. Its totient is φ = 216975112704.

The previous prime is 1031023132187. The next prime is 1031023132247. The reversal of 1031023132230 is 322313201301.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1031023132197 and 1031023132206.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 576541 + ... + 1547399.

It is an arithmetic number, because the mean of its divisors is an integer number (23854030200).

Almost surely, 21031023132230 is an apocalyptic number.

1031023132230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1031023132230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1526657932800).

1031023132230 is an abundant number, since it is smaller than the sum of its proper divisors (2022292733370).

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

1031023132230 is a wasteful number, since it uses less digits than its factorization.

1031023132230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 971278.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 1031023132230 its reverse (322313201301), we get a palindrome (1353336333531).

The spelling of 1031023132230 in words is "one trillion, thirty-one billion, twenty-three million, one hundred thirty-two thousand, two hundred thirty".

Divisors: 1 2 3 5 6 7 10 13 14 15 21 26 30 35 39 42 65 70 78 91 105 130 182 195 210 273 389 390 455 546 778 910 1167 1365 1945 2334 2723 2730 3890 5057 5446 5835 8169 10114 11670 13615 15171 16338 25285 27230 30342 35399 40845 50570 70798 75855 81690 106197 151710 176995 212394 353990 530985 970859 1061970 1941718 2912577 4854295 5825154 6796013 9708590 12621167 13592026 14562885 20388039 25242334 29125770 33980065 37863501 40776078 63105835 67960130 75727002 88348169 101940195 126211670 176696338 189317505 203880390 265044507 377664151 378635010 441740845 530089014 755328302 883481690 1132992453 1325222535 1888320755 2265984906 2643649057 2650445070 3776641510 4909633963 5287298114 5664962265 7930947171 9819267926 11329924530 13218245285 14728901889 15861894342 24548169815 26436490570 29457803778 34367437741 39654735855 49096339630 68734875482 73644509445 79309471710 103102313223 147289018890 171837188705 206204626446 343674377410 515511566115 1031023132230