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231321021114 = 231071265928463
BaseRepresentation
bin1101011101101111001…
…1101010101010111010
3211010002011022102011110
43113123303222222322
512242221140133424
6254133432141150
722466231144241
oct3273363525272
9733064272143
10231321021114
118a11475aa17
12389b8b377b6
1318a7629c371
14b2a5b5d958
15603d041c29
hex35dbceaaba

231321021114 has 32 divisors (see below), whose sum is σ = 467019095040. Its totient is φ = 76377663152.

The previous prime is 231321021109. The next prime is 231321021131. The reversal of 231321021114 is 411120123132.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8112847 + ... + 8141309.

It is an arithmetic number, because the mean of its divisors is an integer number (14594346720).

Almost surely, 2231321021114 is an apocalyptic number.

231321021114 is an abundant number, since it is smaller than the sum of its proper divisors (235698073926).

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

231321021114 is a wasteful number, since it uses less digits than its factorization.

231321021114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41234.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 231321021114 its reverse (411120123132), we get a palindrome (642441144246).

The spelling of 231321021114 in words is "two hundred thirty-one billion, three hundred twenty-one million, twenty-one thousand, one hundred fourteen".

Divisors: 1 2 3 6 107 214 321 642 12659 25318 28463 37977 56926 75954 85389 170778 1354513 2709026 3045541 4063539 6091082 8127078 9136623 18273246 360313117 720626234 1080939351 2161878702 38553503519 77107007038 115660510557 231321021114