Search a number
-
+
110313131021 = 2161322915809
BaseRepresentation
bin110011010111100101…
…1001100110000001101
3101112201220121200101022
41212233023030300031
53301410130143041
6122402133123525
710653443066612
oct1465713146015
9345656550338
10110313131021
1142868983085
12194677895a5
13a530344732
1454a6a14509
152d0984c24b
hex19af2ccc0d

110313131021 has 8 divisors (see below), whose sum is σ = 110405340600. Its totient is φ = 110220963840.

The previous prime is 110313131017. The next prime is 110313131077. The reversal of 110313131021 is 120131313011.

It can be written as a sum of positive squares in 4 ways, for example, as 363855625 + 109949275396 = 19075^2 + 331586^2 .

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 110313131021 - 22 = 110313131017 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 (110313131821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6969965 + ... + 6985773.

It is an arithmetic number, because the mean of its divisors is an integer number (13800667575).

Almost surely, 2110313131021 is an apocalyptic number.

It is an amenable number.

110313131021 is a deficient number, since it is larger than the sum of its proper divisors (92209579).

110313131021 is a wasteful number, since it uses less digits than its factorization.

110313131021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21199.

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 110313131021 its reverse (120131313011), we get a palindrome (230444444032).

The spelling of 110313131021 in words is "one hundred ten billion, three hundred thirteen million, one hundred thirty-one thousand, twenty-one".

Divisors: 1 2161 3229 15809 6977869 34163249 51047261 110313131021