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1031033231130 = 235710764917069
BaseRepresentation
bin11110000000011100101…
…11101001011100011010
310122120021110220220111210
433000032113221130122
5113343024001344010
62105352232203550
7134326651602360
oct17001627513432
93576243826453
101031033231130
1136829341a851
121479a2b395b6
13762c27346b6
1437c8bbad630
151bc45e37b20
hexf00e5e971a

1031033231130 has 128 divisors (see below), whose sum is σ = 2855250155520. Its totient is φ = 233393276160.

The previous prime is 1031033231117. The next prime is 1031033231141. The reversal of 1031033231130 is 311323301301.

1031033231130 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 1031033231097 and 1031033231106.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 145849236 + ... + 145856304.

It is an arithmetic number, because the mean of its divisors is an integer number (22306641840).

Almost surely, 21031033231130 is an apocalyptic number.

1031033231130 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 1031033231130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1427625077760).

1031033231130 is an abundant number, since it is smaller than the sum of its proper divisors (1824216924390).

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

1031033231130 is a wasteful number, since it uses less digits than its factorization.

1031033231130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13684.

The product of its (nonzero) digits is 486, while the sum is 21.

Adding to 1031033231130 its reverse (311323301301), we get a palindrome (1342356532431).

The spelling of 1031033231130 in words is "one trillion, thirty-one billion, thirty-three million, two hundred thirty-one thousand, one hundred thirty".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 107 210 214 321 535 642 749 1070 1498 1605 2247 3210 3745 4494 6491 7069 7490 11235 12982 14138 19473 21207 22470 32455 35345 38946 42414 45437 49483 64910 70690 90874 97365 98966 106035 136311 148449 194730 212070 227185 247415 272622 296898 454370 494830 681555 694537 742245 756383 1363110 1389074 1484490 1512766 2083611 2269149 3472685 3781915 4167222 4538298 4861759 5294681 6945370 7563830 9723518 10418055 10589362 11345745 14585277 15884043 20836110 22691490 24308795 26473405 29170554 31768086 45884879 48617590 52946810 72926385 79420215 91769758 137654637 145852770 158840430 229424395 275309274 321194153 458848790 642388306 688273185 963582459 1376546370 1605970765 1927164918 3211941530 4817912295 4909682053 9635824590 9819364106 14729046159 24548410265 29458092318 34367774371 49096820530 68735548742 73645230795 103103323113 147290461590 171838871855 206206646226 343677743710 515516615565 1031033231130