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233011130331 = 3716368072197
BaseRepresentation
bin1101100100000010001…
…0111010111111011011
3211021102221112212011010
43121000202322333123
512304201322132311
6255013245105003
722556142633330
oct3310042727733
9737387485133
10233011130331
118a901787aa1
12391aab58163
1318c854949a5
14b3c63cc987
1560db5deda6
hex36408bafdb

233011130331 has 16 divisors (see below), whose sum is σ = 357242895104. Its totient is φ = 132332349024.

The previous prime is 233011130321. The next prime is 233011130333. The reversal of 233011130331 is 133031110332.

It is not a de Polignac number, because 233011130331 - 26 = 233011130267 is a prime.

It is a super-2 number, since 2×2330111303312 (a number of 24 digits) contains 22 as substring.

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

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 233011130298 and 233011130307.

It is not an unprimeable number, because it can be changed into a prime (233011130333) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34032676 + ... + 34039521.

It is an arithmetic number, because the mean of its divisors is an integer number (22327680944).

Almost surely, 2233011130331 is an apocalyptic number.

233011130331 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

233011130331 is a deficient number, since it is larger than the sum of its proper divisors (124231764773).

233011130331 is a wasteful number, since it uses less digits than its factorization.

233011130331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68072370.

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

Adding to 233011130331 its reverse (133031110332), we get a palindrome (366042240663).

The spelling of 233011130331 in words is "two hundred thirty-three billion, eleven million, one hundred thirty thousand, three hundred thirty-one".

Divisors: 1 3 7 21 163 489 1141 3423 68072197 204216591 476505379 1429516137 11095768111 33287304333 77670376777 233011130331