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2311230201 = 375383127197
BaseRepresentation
bin1000100111000010…
…1001001011111001
312222001222122210120
42021300221023321
514213133331301
61021201403453
7111163063320
oct21160511371
95861878716
102311230201
11a866a1505
12546039589
132aaaa7947
1417cd530b7
15d7d8de36
hex89c292f9

2311230201 has 64 divisors (see below), whose sum is σ = 3678732288. Its totient is φ = 1263644928.

The previous prime is 2311230193. The next prime is 2311230209. The reversal of 2311230201 is 1020321132.

It is an interprime number because it is at equal distance from previous prime (2311230193) and next prime (2311230209).

It is not a de Polignac number, because 2311230201 - 23 = 2311230193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2311230209) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 11732035 + ... + 11732231.

It is an arithmetic number, because the mean of its divisors is an integer number (57480192).

Almost surely, 22311230201 is an apocalyptic number.

2311230201 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2311230201 is a deficient number, since it is larger than the sum of its proper divisors (1367502087).

2311230201 is a wasteful number, since it uses less digits than its factorization.

2311230201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 470.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 2311230201 is about 48075.2555999446. The cubic root of 2311230201 is about 1322.1510308368.

Adding to 2311230201 its reverse (1020321132), we get a palindrome (3331551333).

The spelling of 2311230201 in words is "two billion, three hundred eleven million, two hundred thirty thousand, two hundred one".

Divisors: 1 3 7 21 53 83 127 159 197 249 371 381 581 591 889 1113 1379 1743 2667 4137 4399 6731 10441 10541 13197 16351 20193 25019 30793 31323 31623 47117 49053 73087 73787 75057 92379 114457 141351 175133 219261 221361 343371 525399 558673 866603 1326007 1676019 2076577 2599809 3910711 3978021 6066221 6229731 9282049 11732133 14536039 18198663 27846147 43608117 110058581 330175743 770410067 2311230201