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231100320211 = 1729795933713
BaseRepresentation
bin1101011100111010100…
…1110000100111010011
3211002111210000122102221
43113032221300213103
512241243140221321
6254055505521511
722460611211335
oct3271651604723
9732453018387
10231100320211
118a011119082
1238957043297
1318a3c647907
14b28470d455
156028998e41
hex35cea709d3

231100320211 has 16 divisors (see below), whose sum is σ = 256336444800. Its totient is φ = 207347632128.

The previous prime is 231100320151. The next prime is 231100320221. The reversal of 231100320211 is 112023001132.

It is a cyclic number.

It is not a de Polignac number, because 231100320211 - 27 = 231100320083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (231100320221) 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, 2927910 + ... + 3005803.

It is an arithmetic number, because the mean of its divisors is an integer number (16021027800).

Almost surely, 2231100320211 is an apocalyptic number.

231100320211 is a deficient number, since it is larger than the sum of its proper divisors (25236124589).

231100320211 is a wasteful number, since it uses less digits than its factorization.

231100320211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5933838.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 231100320211 its reverse (112023001132), we get a palindrome (343123321343).

The spelling of 231100320211 in words is "two hundred thirty-one billion, one hundred million, three hundred twenty thousand, two hundred eleven".

Divisors: 1 17 29 79 493 1343 2291 38947 5933713 100873121 172077677 468763327 2925320509 7968976559 13594136483 231100320211