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2231105101 = 3176970229
BaseRepresentation
bin1000010011111011…
…1111011001001101
312202111012212211021
42010332333121031
514032130330401
61005220154141
7106201036411
oct20476773115
95674185737
102231105101
11a45445315
12523238951
13297302644
14172456d41
15d0d132a1
hex84fbf64d

2231105101 has 4 divisors (see below), whose sum is σ = 2231207100. Its totient is φ = 2231003104.

The previous prime is 2231105089. The next prime is 2231105141. The reversal of 2231105101 is 1015011322.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 1672728201 + 558376900 = 40899^2 + 23630^2 .

It is a cyclic number.

It is not a de Polignac number, because 2231105101 - 229 = 1694234189 is a prime.

It is a super-3 number, since 3×22311051013 (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2231105141) 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 3 ways as a sum of consecutive naturals, for example, 3346 + ... + 66883.

It is an arithmetic number, because the mean of its divisors is an integer number (557801775).

Almost surely, 22231105101 is an apocalyptic number.

It is an amenable number.

2231105101 is a deficient number, since it is larger than the sum of its proper divisors (101999).

2231105101 is an equidigital number, since it uses as much as digits as its factorization.

2231105101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101998.

The product of its (nonzero) digits is 60, while the sum is 16.

The square root of 2231105101 is about 47234.5752706638. The cubic root of 2231105101 is about 1306.6923334698.

Adding to 2231105101 its reverse (1015011322), we get a palindrome (3246116423).

The spelling of 2231105101 in words is "two billion, two hundred thirty-one million, one hundred five thousand, one hundred one".

Divisors: 1 31769 70229 2231105101