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201223110230311 = 1389273173386139
BaseRepresentation
bin101101110000001011101000…
…000000011000000100100111
3222101110202000112022111200211
4231300023220000120010213
5202333314412204332221
61551544342022320251
760245614153611361
oct5560135000300447
9871422015274624
10201223110230311
1159130272938534
121a69a478589087
13883834771bb80
143799371531d31
15183e41cab06e1
hexb702e8018127

201223110230311 has 8 divisors (see below), whose sum is σ = 216704239673040. Its totient is φ = 185742327738432.

The previous prime is 201223110230297. The next prime is 201223110230327. The reversal of 201223110230311 is 113032011322102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 201223110230311 - 231 = 201220962746663 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201223110230341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85532521 + ... + 87853618.

It is an arithmetic number, because the mean of its divisors is an integer number (27088029959130).

Almost surely, 2201223110230311 is an apocalyptic number.

201223110230311 is a deficient number, since it is larger than the sum of its proper divisors (15481129442729).

201223110230311 is a wasteful number, since it uses less digits than its factorization.

201223110230311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173475425.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 201223110230311 its reverse (113032011322102), we get a palindrome (314255121552413).

The spelling of 201223110230311 in words is "two hundred one trillion, two hundred twenty-three billion, one hundred ten million, two hundred thirty thousand, three hundred eleven".

Divisors: 1 13 89273 1160549 173386139 2254019807 15478700786947 201223110230311