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213410331 = 32113223941
BaseRepresentation
bin11001011100001…
…10001000011011
3112212120100221100
430232012020123
5414113112311
633102042443
75200646361
oct1456061033
9485510840
10213410331
11aa512382
125b579423
13352a1204
14204b3631
1513b07a56
hexcb8621b

213410331 has 24 divisors (see below), whose sum is σ = 312713856. Its totient is φ = 140232960.

The previous prime is 213410321. The next prime is 213410369. The reversal of 213410331 is 133014312.

It is not a de Polignac number, because 213410331 - 27 = 213410203 is a prime.

It is a super-2 number, since 2×2134103312 = 91087938755059122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (213410311) 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 23 ways as a sum of consecutive naturals, for example, 226321 + ... + 227261.

It is an arithmetic number, because the mean of its divisors is an integer number (13029744).

Almost surely, 2213410331 is an apocalyptic number.

213410331 is a deficient number, since it is larger than the sum of its proper divisors (99303525).

213410331 is a wasteful number, since it uses less digits than its factorization.

213410331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1283 (or 1280 counting only the distinct ones).

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

The square root of 213410331 is about 14608.5704639434. The cubic root of 213410331 is about 597.5925112501.

Adding to 213410331 its reverse (133014312), we get a palindrome (346424643).

The spelling of 213410331 in words is "two hundred thirteen million, four hundred ten thousand, three hundred thirty-one".

Divisors: 1 3 9 113 223 339 669 941 1017 2007 2823 8469 25199 75597 106333 209843 226791 318999 629529 956997 1888587 23712259 71136777 213410331