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2321013231 = 33292964257
BaseRepresentation
bin1000101001010111…
…1101100111101111
312222202101200121000
42022111331213233
514223134410411
61022151211343
7111342200265
oct21225754757
95882350530
102321013231
11a91173659
12549376b53
132acb21814
1418037c435
15d8b72956
hex8a57d9ef

2321013231 has 16 divisors (see below), whose sum is σ = 3557109600. Its totient is φ = 1493985024.

The previous prime is 2321013203. The next prime is 2321013251. The reversal of 2321013231 is 1323101232.

It is not a de Polignac number, because 2321013231 - 215 = 2320980463 is a prime.

It is a super-2 number, since 2×23210132312 = 10774204836954118722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2321013251) 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, 1481346 + ... + 1482911.

It is an arithmetic number, because the mean of its divisors is an integer number (222319350).

Almost surely, 22321013231 is an apocalyptic number.

2321013231 is a deficient number, since it is larger than the sum of its proper divisors (1236096369).

2321013231 is a wasteful number, since it uses less digits than its factorization.

2321013231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2964295 (or 2964289 counting only the distinct ones).

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

The square root of 2321013231 is about 48176.8951988399. The cubic root of 2321013231 is about 1324.0138823415.

Adding to 2321013231 its reverse (1323101232), we get a palindrome (3644114463).

The spelling of 2321013231 in words is "two billion, three hundred twenty-one million, thirteen thousand, two hundred thirty-one".

Divisors: 1 3 9 27 29 87 261 783 2964257 8892771 26678313 80034939 85963453 257890359 773671077 2321013231