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3130322321 = 722912891709
BaseRepresentation
bin1011101010010100…
…1110110110010001
322002011020211221202
42322211032312101
522402330303241
61234341400545
7140400205100
oct27245166621
98064224852
103130322321
111366a92545
12734409155
133ab6b3939
14219a4c037
15134c37d9b
hexba94ed91

3130322321 has 24 divisors (see below), whose sum is σ = 3772089000. Its totient is φ = 2587087104.

The previous prime is 3130322311. The next prime is 3130322339. The reversal of 3130322321 is 1232230313.

It can be written as a sum of positive squares in 4 ways, for example, as 484660225 + 2645662096 = 22015^2 + 51436^2 .

It is not a de Polignac number, because 3130322321 - 210 = 3130321297 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3130322293 and 3130322302.

It is not an unprimeable number, because it can be changed into a prime (3130322311) 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 in 23 ways as a sum of consecutive naturals, for example, 1830815 + ... + 1832523.

It is an arithmetic number, because the mean of its divisors is an integer number (157170375).

Almost surely, 23130322321 is an apocalyptic number.

It is an amenable number.

3130322321 is a deficient number, since it is larger than the sum of its proper divisors (641766679).

3130322321 is a wasteful number, since it uses less digits than its factorization.

3130322321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3041 (or 3034 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 3130322321 is about 55949.2834717300. The cubic root of 3130322321 is about 1462.8384016011.

Adding to 3130322321 its reverse (1232230313), we get a palindrome (4362552634).

The spelling of 3130322321 in words is "three billion, one hundred thirty million, three hundred twenty-two thousand, three hundred twenty-one".

Divisors: 1 7 29 49 203 1289 1421 1709 9023 11963 37381 49561 63161 83741 261667 346927 1831669 2202901 2428489 15420307 63884129 107942149 447188903 3130322321