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213431320130 = 2574916962011
BaseRepresentation
bin1100011011000101111…
…1110111111001000010
3202101220101200102221112
43012301133313321002
511444101404221010
6242014325523322
721264012200510
oct3066137677102
9671811612845
10213431320130
1182574463876
1235445873542
1317184b7a292
14a489c454b0
1558426c4a05
hex31b17f7e42

213431320130 has 32 divisors (see below), whose sum is σ = 439074725760. Its totient is φ = 73173784320.

The previous prime is 213431320093. The next prime is 213431320133. The reversal of 213431320130 is 31023134312.

It is a junction number, because it is equal to n+sod(n) for n = 213431320096 and 213431320105.

It is not an unprimeable number, because it can be changed into a prime (213431320133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3410825 + ... + 3472835.

It is an arithmetic number, because the mean of its divisors is an integer number (13721085180).

Almost surely, 2213431320130 is an apocalyptic number.

213431320130 is an abundant number, since it is smaller than the sum of its proper divisors (225643405630).

213431320130 is a wasteful number, since it uses less digits than its factorization.

213431320130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111194.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 213431320130 its reverse (31023134312), we get a palindrome (244454454442).

The spelling of 213431320130 in words is "two hundred thirteen billion, four hundred thirty-one million, three hundred twenty thousand, one hundred thirty".

Divisors: 1 2 5 7 10 14 35 70 49169 62011 98338 124022 245845 310055 344183 434077 491690 620110 688366 868154 1720915 2170385 3441830 4340770 3049018859 6098037718 15245094295 21343132013 30490188590 42686264026 106715660065 213431320130