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2231244529 is a prime number
BaseRepresentation
bin1000010011111110…
…0001011011110001
312202111110222002021
42010333201123301
514032144311104
61005223151441
7106202160043
oct20477413361
95674428067
102231244529
11a45530048
125232a5581
13297350c47
14172491a93
15d0d3e754
hex84fe16f1

2231244529 has 2 divisors, whose sum is σ = 2231244530. Its totient is φ = 2231244528.

The previous prime is 2231244527. The next prime is 2231244649. The reversal of 2231244529 is 9254421322.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2185749504 + 45495025 = 46752^2 + 6745^2 .

It is a cyclic number.

It is not a de Polignac number, because 2231244529 - 21 = 2231244527 is a prime.

It is a super-3 number, since 3×22312445293 (a number of 29 digits) contains 333 as substring.

Together with 2231244527, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 2231244494 and 2231244503.

It is not a weakly prime, because it can be changed into another prime (2231244523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1115622264 + 1115622265.

It is an arithmetic number, because the mean of its divisors is an integer number (1115622265).

Almost surely, 22231244529 is an apocalyptic number.

It is an amenable number.

2231244529 is a deficient number, since it is larger than the sum of its proper divisors (1).

2231244529 is an equidigital number, since it uses as much as digits as its factorization.

2231244529 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34560, while the sum is 34.

The square root of 2231244529 is about 47236.0511579874. The cubic root of 2231244529 is about 1306.7195525228.

The spelling of 2231244529 in words is "two billion, two hundred thirty-one million, two hundred forty-four thousand, five hundred twenty-nine".