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200131302231 = 3371762287987
BaseRepresentation
bin1011101001100011000…
…0010101001101010111
3201010120111100112022000
42322120300111031113
511234332103132411
6231534500210343
720313304000230
oct2723060251527
9633514315260
10200131302231
11779699a2543
12329536999b3
1315b455a25c3
149987700087
155314c5d956
hex2e98c15357

200131302231 has 32 divisors (see below), whose sum is σ = 358778810880. Its totient is φ = 107633639808.

The previous prime is 200131302221. The next prime is 200131302251. The reversal of 200131302231 is 132203131002.

200131302231 is a `hidden beast` number, since 2 + 0 + 0 + 131 + 302 + 231 = 666.

200131302231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 200131302231 - 210 = 200131301207 is a prime.

It is a super-2 number, since 2×2001313022312 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200131302221) 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 31 ways as a sum of consecutive naturals, for example, 31140781 + ... + 31147206.

It is an arithmetic number, because the mean of its divisors is an integer number (11211837840).

Almost surely, 2200131302231 is an apocalyptic number.

200131302231 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

200131302231 is a deficient number, since it is larger than the sum of its proper divisors (158647508649).

200131302231 is a wasteful number, since it uses less digits than its factorization.

200131302231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62288020 (or 62288014 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 200131302231 its reverse (132203131002), we get a palindrome (332334433233).

The spelling of 200131302231 in words is "two hundred billion, one hundred thirty-one million, three hundred two thousand, two hundred thirty-one".

Divisors: 1 3 7 9 17 21 27 51 63 119 153 189 357 459 1071 3213 62287987 186863961 436015909 560591883 1058895779 1308047727 1681775649 3176687337 3924143181 7412270453 9530062011 11772429543 22236811359 28590186033 66710434077 200131302231