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213031301210 = 257131230119031
BaseRepresentation
bin1100011001100110100…
…1111011000001011010
3202100212111222101010222
43012121221323001122
511442242003114320
6241510520040042
721251054116550
oct3063151730132
9670774871128
10213031301210
1182389685722
1235353903022
13171200301b0
14a44ca77bd0
15581c50a825
hex3199a7b05a

213031301210 has 64 divisors (see below), whose sum is σ = 472009434624. Its totient is φ = 67411872000.

The previous prime is 213031301207. The next prime is 213031301227. The reversal of 213031301210 is 12103130312.

213031301210 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11184395 + ... + 11203425.

It is an arithmetic number, because the mean of its divisors is an integer number (7375147416).

Almost surely, 2213031301210 is an apocalyptic number.

213031301210 is an abundant number, since it is smaller than the sum of its proper divisors (258978133414).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

213031301210 is a wasteful number, since it uses less digits than its factorization.

213031301210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31359.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 213031301210 its reverse (12103130312), we get a palindrome (225134431522).

The spelling of 213031301210 in words is "two hundred thirteen billion, thirty-one million, three hundred one thousand, two hundred ten".

Divisors: 1 2 5 7 10 13 14 26 35 65 70 91 130 182 455 910 12301 19031 24602 38062 61505 86107 95155 123010 133217 159913 172214 190310 247403 266434 319826 430535 494806 666085 799565 861070 1119391 1237015 1332170 1599130 1731821 2238782 2474030 3463642 5596955 8659105 11193910 17318210 234100331 468200662 1170501655 1638702317 2341003310 3043304303 3277404634 6086608606 8193511585 15216521515 16387023170 21303130121 30433043030 42606260242 106515650605 213031301210