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1031203131030 = 232531596264523
BaseRepresentation
bin11110000000110000111…
…11110000111010010110
310122120201022121201100200
433000120133300322112
5113343401000143110
62105421141521330
7134334113663352
oct17003037607226
93576638551320
101031203131030
11368370314096
12147a2ba13246
137631b9b0297
1437ca6598462
151bc55ce86c0
hexf0187f0e96

1031203131030 has 96 divisors (see below), whose sum is σ = 2814525342720. Its totient is φ = 261606438720.

The previous prime is 1031203131029. The next prime is 1031203131059. The reversal of 1031203131030 is 301313021301.

It is a happy number.

1031203131030 is a `hidden beast` number, since 1 + 0 + 312 + 0 + 313 + 10 + 30 = 666.

1031203131030 is digitally balanced in base 2, because in such base 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 (18).

It is a junction number, because it is equal to n+sod(n) for n = 1031203130994 and 1031203131012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2967652 + ... + 3296871.

It is an arithmetic number, because the mean of its divisors is an integer number (29317972320).

Almost surely, 21031203131030 is an apocalyptic number.

1031203131030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1031203131030 is an abundant number, since it is smaller than the sum of its proper divisors (1783322211690).

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

1031203131030 is a wasteful number, since it uses less digits than its factorization.

1031203131030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6264626 (or 6264623 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 1031203131030 its reverse (301313021301), we get a palindrome (1332516152331).

The spelling of 1031203131030 in words is "one trillion, thirty-one billion, two hundred three million, one hundred thirty-one thousand, thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 31 45 59 62 90 93 118 155 177 186 279 295 310 354 465 531 558 590 885 930 1062 1395 1770 1829 2655 2790 3658 5310 5487 9145 10974 16461 18290 27435 32922 54870 82305 164610 6264523 12529046 18793569 31322615 37587138 56380707 62645230 93967845 112761414 187935690 194200213 281903535 369606857 388400426 563807070 582600639 739213714 971001065 1108820571 1165201278 1747801917 1848034285 1942002130 2217641142 2913003195 3326461713 3495603834 3696068570 5544102855 5826006390 6652923426 8739009585 11088205710 11457812567 16632308565 17478019170 22915625134 33264617130 34373437701 57289062835 68746875402 103120313103 114578125670 171867188505 206240626206 343734377010 515601565515 1031203131030