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2200003131 = 31919973851
BaseRepresentation
bin1000001100100001…
…0110001000111011
312200022200201221110
42003020112020323
514001200100011
61002145411403
7105342501204
oct20310261073
95608621843
102200003131
11a29931a07
12514939b63
13290a32c01
1416c27c5ab
15cd21cba6
hex8321623b

2200003131 has 16 divisors (see below), whose sum is σ = 2952419328. Its totient is φ = 1457148000.

The previous prime is 2200003123. The next prime is 2200003159. The reversal of 2200003131 is 1313000022.

It is a happy number.

It is not a de Polignac number, because 2200003131 - 23 = 2200003123 is a prime.

It is a super-2 number, since 2×22000031312 = 9680027552819606322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2200003111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 569356 + ... + 573206.

It is an arithmetic number, because the mean of its divisors is an integer number (184526208).

Almost surely, 22200003131 is an apocalyptic number.

2200003131 is a deficient number, since it is larger than the sum of its proper divisors (752416197).

2200003131 is a wasteful number, since it uses less digits than its factorization.

2200003131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5042.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 2200003131 is about 46904.1909747946. The cubic root of 2200003131 is about 1300.5920638438.

Adding to 2200003131 its reverse (1313000022), we get a palindrome (3513003153).

The spelling of 2200003131 in words is "two billion, two hundred million, three thousand, one hundred thirty-one".

Divisors: 1 3 191 573 997 2991 3851 11553 190427 571281 735541 2206623 3839447 11518341 733334377 2200003131