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1101231030 = 235233135099
BaseRepresentation
bin100000110100011…
…0111001110110110
32211202011022222110
41001220313032312
54223403343110
6301135111450
736201211044
oct10150671666
92752138873
101101231030
11515686199
12268972586
131471c20c3
14a637d394
1566a2aa20
hex41a373b6

1101231030 has 64 divisors (see below), whose sum is σ = 2767219200. Its totient is φ = 279941376.

The previous prime is 1101231029. The next prime is 1101231031. The reversal of 1101231030 is 301321011.

1101231030 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (1101231029) and next prime (1101231031).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1101230997 and 1101231015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101231031) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 213421 + ... + 218519.

It is an arithmetic number, because the mean of its divisors is an integer number (43237800).

Almost surely, 21101231030 is an apocalyptic number.

1101231030 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 1101231030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1383609600).

1101231030 is an abundant number, since it is smaller than the sum of its proper divisors (1665988170).

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

1101231030 is a wasteful number, since it uses less digits than its factorization.

1101231030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5445.

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 1101231030 is about 33184.8011897013. The cubic root of 1101231030 is about 1032.6650530438.

Adding to 1101231030 its reverse (301321011), we get a palindrome (1402552041).

The spelling of 1101231030 in words is "one billion, one hundred one million, two hundred thirty-one thousand, thirty".

Divisors: 1 2 3 5 6 10 15 23 30 46 69 115 138 230 313 345 626 690 939 1565 1878 3130 4695 5099 7199 9390 10198 14398 15297 21597 25495 30594 35995 43194 50990 71990 76485 107985 117277 152970 215970 234554 351831 586385 703662 1172770 1595987 1759155 3191974 3518310 4787961 7979935 9575922 15959870 23939805 36707701 47879610 73415402 110123103 183538505 220246206 367077010 550615515 1101231030