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23130131101 = 7111971524829
BaseRepresentation
bin10101100010101010…
…011100101010011101
32012200222102101220021
4111202222130222131
5334332303143401
614343102552141
71446120604360
oct254252345235
965628371807
1023130131101
11989a3a0930
124596298651
13224802250c
141195cc40d7
159059672a1
hex562a9ca9d

23130131101 has 16 divisors (see below), whose sum is σ = 28983968640. Its totient is φ = 17931977280.

The previous prime is 23130131081. The next prime is 23130131107. The reversal of 23130131101 is 10113103132.

It is not a de Polignac number, because 23130131101 - 229 = 22593260189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23130131107) 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, 747246 + ... + 777583.

It is an arithmetic number, because the mean of its divisors is an integer number (1811498040).

Almost surely, 223130131101 is an apocalyptic number.

It is an amenable number.

23130131101 is a deficient number, since it is larger than the sum of its proper divisors (5853837539).

23130131101 is a wasteful number, since it uses less digits than its factorization.

23130131101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1525044.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 23130131101 its reverse (10113103132), we get a palindrome (33243234233).

The spelling of 23130131101 in words is "twenty-three billion, one hundred thirty million, one hundred thirty-one thousand, one hundred one".

Divisors: 1 7 11 77 197 1379 2167 15169 1524829 10673803 16773119 117411833 300391313 2102739191 3304304443 23130131101