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103321222321 = 241742747713
BaseRepresentation
bin110000000111001101…
…1001011110010110001
3100212200122002220202211
41200032123023302301
53143100213103241
6115244244212121
710315252620262
oct1401633136261
9325618086684
10103321222321
113a900155639
121803609a041
139987912655
1450021a2969
152a4aad0781
hex180e6cbcb1

103321222321 has 4 divisors (see below), whose sum is σ = 103363972452. Its totient is φ = 103278472192.

The previous prime is 103321222309. The next prime is 103321222331. The reversal of 103321222321 is 123222123301.

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 96438197025 + 6883025296 = 310545^2 + 82964^2 .

It is a cyclic number.

It is not a de Polignac number, because 103321222321 - 227 = 103187004593 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 103321222292 and 103321222301.

It is not an unprimeable number, because it can be changed into a prime (103321222331) 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, 21371440 + ... + 21376273.

It is an arithmetic number, because the mean of its divisors is an integer number (25840993113).

Almost surely, 2103321222321 is an apocalyptic number.

It is an amenable number.

103321222321 is a deficient number, since it is larger than the sum of its proper divisors (42750131).

103321222321 is an equidigital number, since it uses as much as digits as its factorization.

103321222321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42750130.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 103321222321 its reverse (123222123301), we get a palindrome (226543345622).

The spelling of 103321222321 in words is "one hundred three billion, three hundred twenty-one million, two hundred twenty-two thousand, three hundred twenty-one".

Divisors: 1 2417 42747713 103321222321