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3130221213 = 337106915493
BaseRepresentation
bin1011101010010011…
…0110001010011101
322002011001201021000
42322210312022131
522402314034323
61234335300513
7140366304240
oct27244661235
98064051230
103130221213
111366a23589
1273437a739
133ab679902
14219a23257
15134c17e43
hexba93629d

3130221213 has 32 divisors (see below), whose sum is σ = 5305145600. Its totient is φ = 1786909248.

The previous prime is 3130221119. The next prime is 3130221229. The reversal of 3130221213 is 3121220313.

It is not a de Polignac number, because 3130221213 - 29 = 3130220701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3130221293) 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 31 ways as a sum of consecutive naturals, for example, 194295 + ... + 209787.

It is an arithmetic number, because the mean of its divisors is an integer number (165785800).

Almost surely, 23130221213 is an apocalyptic number.

It is an amenable number.

3130221213 is a deficient number, since it is larger than the sum of its proper divisors (2174924387).

3130221213 is a wasteful number, since it uses less digits than its factorization.

3130221213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16578 (or 16572 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 3130221213 is about 55948.3798961150. The cubic root of 3130221213 is about 1462.8226517579.

Adding to 3130221213 its reverse (3121220313), we get a palindrome (6251441526).

The spelling of 3130221213 in words is "three billion, one hundred thirty million, two hundred twenty-one thousand, two hundred thirteen".

Divisors: 1 3 7 9 21 27 63 189 1069 3207 7483 9621 15493 22449 28863 46479 67347 108451 139437 202041 325353 418311 976059 2928177 16562017 49686051 115934119 149058153 347802357 447174459 1043407071 3130221213