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1031010231330 = 232593712225901
BaseRepresentation
bin11110000000011001111…
…11111010010000100010
310122120012212122101201100
433000030333322100202
5113343002104400310
62105350051215230
7134326252240512
oct17001477722042
93576185571640
101031010231330
11368281440752
121479972a7516
13762baa40a51
1437c88b03842
151bc43de2ec0
hexf00cffa422

1031010231330 has 48 divisors (see below), whose sum is σ = 2683487681784. Its totient is φ = 274642617600.

The previous prime is 1031010231301. The next prime is 1031010231337. The reversal of 1031010231330 is 331320101301.

It is a happy number.

1031010231330 is a `hidden beast` number, since 1 + 0 + 3 + 101 + 0 + 231 + 330 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 225168281361 + 805841949969 = 474519^2 + 897687^2 .

It is a super-2 number, since 2×10310102313302 (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1031010231337) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 6028621 + ... + 6197280.

Almost surely, 21031010231330 is an apocalyptic number.

1031010231330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1031010231330 is an abundant number, since it is smaller than the sum of its proper divisors (1652477450454).

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

1031010231330 is a wasteful number, since it uses less digits than its factorization.

1031010231330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12226851 (or 12226848 counting only the distinct ones).

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

Adding to 1031010231330 its reverse (331320101301), we get a palindrome (1362330332631).

The spelling of 1031010231330 in words is "one trillion, thirty-one billion, ten million, two hundred thirty-one thousand, three hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 937 1874 2811 4685 5622 8433 9370 14055 16866 28110 42165 84330 12225901 24451802 36677703 61129505 73355406 110033109 122259010 183388515 220066218 366777030 550165545 1100331090 11455669237 22911338474 34367007711 57278346185 68734015422 103101023133 114556692370 171835038555 206202046266 343670077110 515505115665 1031010231330