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22031342101 = 83172648953
BaseRepresentation
bin10100100001001010…
…111001101000010101
32002212101212010202101
4110201022321220111
5330110010421401
614042052042101
71406646214036
oct244112715025
962771763671
1022031342101
11938613344a
12432a303331
1321014a6b02
1410cddbca8d
1588e270101
hex5212b9a15

22031342101 has 4 divisors (see below), whose sum is σ = 22033999372. Its totient is φ = 22028684832.

The previous prime is 22031342089. The next prime is 22031342129. The reversal of 22031342101 is 10124313022.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 17417400625 + 4613941476 = 131975^2 + 67926^2 .

It is a cyclic number.

It is not a de Polignac number, because 22031342101 - 217 = 22031211029 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 (22031342191) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1316160 + ... + 1332793.

It is an arithmetic number, because the mean of its divisors is an integer number (5508499843).

Almost surely, 222031342101 is an apocalyptic number.

It is an amenable number.

22031342101 is a deficient number, since it is larger than the sum of its proper divisors (2657271).

22031342101 is an equidigital number, since it uses as much as digits as its factorization.

22031342101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2657270.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 22031342101 its reverse (10124313022), we get a palindrome (32155655123).

The spelling of 22031342101 in words is "twenty-two billion, thirty-one million, three hundred forty-two thousand, one hundred one".

Divisors: 1 8317 2648953 22031342101