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2312340231 = 32338114079
BaseRepresentation
bin1000100111010011…
…1000001100000111
312222011002001110210
42021310320030013
514213424341411
61021241250503
7111205365465
oct21164701407
95864061423
102312340231
11a8728a493
12546493a33
132ab0a5c76
1417d161835
15d800cca6
hex89d38307

2312340231 has 16 divisors (see below), whose sum is σ = 3100930560. Its totient is φ = 1532675520.

The previous prime is 2312340227. The next prime is 2312340287. The reversal of 2312340231 is 1320432132.

It is not a de Polignac number, because 2312340231 - 22 = 2312340227 is a prime.

It is a super-2 number, since 2×23123402312 = 10693834687802266722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2312340198 and 2312340207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2312340631) 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, 564850 + ... + 568928.

It is an arithmetic number, because the mean of its divisors is an integer number (193808160).

Almost surely, 22312340231 is an apocalyptic number.

2312340231 is a deficient number, since it is larger than the sum of its proper divisors (788590329).

2312340231 is a wasteful number, since it uses less digits than its factorization.

2312340231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5126.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 2312340231 is about 48086.7989265245. The cubic root of 2312340231 is about 1322.3626630684.

Adding to 2312340231 its reverse (1320432132), we get a palindrome (3632772363).

The spelling of 2312340231 in words is "two billion, three hundred twelve million, three hundred forty thousand, two hundred thirty-one".

Divisors: 1 3 233 699 811 2433 4079 12237 188963 566889 950407 2851221 3308069 9924207 770780077 2312340231