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211131203241 = 3710053866821
BaseRepresentation
bin1100010010100001100…
…1100111111010101001
3202011222002121101202010
43010220121213322221
511424344042000431
6240554202230133
721153012421410
oct3045031477251
9664862541663
10211131203241
11815a4072a22
1234b034b5349
1316ba9493b7a
14a30c586477
15575a7cd846
hex3128667ea9

211131203241 has 8 divisors (see below), whose sum is σ = 321723738304. Its totient is φ = 120646401840.

The previous prime is 211131203233. The next prime is 211131203243. The reversal of 211131203241 is 142302131112.

211131203241 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 211131203241 - 23 = 211131203233 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 10053866821 = 211131203241 / (2 + 1 + 1 + 1 + 3 + 1 + 2 + 0 + 3 + 2 + 4 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211131203243) 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 7 ways as a sum of consecutive naturals, for example, 5026933390 + ... + 5026933431.

It is an arithmetic number, because the mean of its divisors is an integer number (40215467288).

Almost surely, 2211131203241 is an apocalyptic number.

211131203241 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

211131203241 is a deficient number, since it is larger than the sum of its proper divisors (110592535063).

211131203241 is a wasteful number, since it uses less digits than its factorization.

211131203241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10053866831.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 211131203241 its reverse (142302131112), we get a palindrome (353433334353).

The spelling of 211131203241 in words is "two hundred eleven billion, one hundred thirty-one million, two hundred three thousand, two hundred forty-one".

Divisors: 1 3 7 21 10053866821 30161600463 70377067747 211131203241