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1231241422101 = 314966113013203
BaseRepresentation
bin10001111010101011101…
…101010010010100010101
311100201001022221210022220
4101322223231102110111
5130133040301001401
62341342520412553
7154645211260215
oct21725355222425
94321038853286
101231241422101
114351917589a9
1217a758317159
138c14ac181a2
14438417a6245
15220627d3336
hex11eabb52515

1231241422101 has 32 divisors (see below), whose sum is σ = 1656962697600. Its totient is φ = 813205536000.

The previous prime is 1231241422093. The next prime is 1231241422111. The reversal of 1231241422101 is 1012241421321.

It is not a de Polignac number, because 1231241422101 - 23 = 1231241422093 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1231241422111) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 384400966 + ... + 384404168.

It is an arithmetic number, because the mean of its divisors is an integer number (51780084300).

Almost surely, 21231241422101 is an apocalyptic number.

It is an amenable number.

1231241422101 is a deficient number, since it is larger than the sum of its proper divisors (425721275499).

1231241422101 is a wasteful number, since it uses less digits than its factorization.

1231241422101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5317.

The product of its (nonzero) digits is 768, while the sum is 24.

Adding to 1231241422101 its reverse (1012241421321), we get a palindrome (2243482843422).

The spelling of 1231241422101 in words is "one trillion, two hundred thirty-one billion, two hundred forty-one million, four hundred twenty-two thousand, one hundred one".

Divisors: 1 3 149 447 661 1301 1983 3203 3903 9609 98489 193849 295467 477247 581547 859961 1431741 2117183 2579883 4167103 6351549 12501309 128134189 315460267 384402567 620898347 946380801 1862695041 2754455083 8263365249 410413807367 1231241422101