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103220323321 = 465722164553
BaseRepresentation
bin110000000100001101…
…0010010001111111001
3100212102121020201100211
41200020122102033321
53142343400321241
6115230241431121
710312616162143
oct1401032221771
9325377221324
10103220323321
113a8591aa735
121800833b4a1
13996ca458bb
144dd2a19c93
152a41cee781
hex18086923f9

103220323321 has 4 divisors (see below), whose sum is σ = 103242492532. Its totient is φ = 103198154112.

The previous prime is 103220323307. The next prime is 103220323369. The reversal of 103220323321 is 123323022301.

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 11767910400 + 91452412921 = 108480^2 + 302411^2 .

It is a cyclic number.

It is not a de Polignac number, because 103220323321 - 213 = 103220315129 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 103220323292 and 103220323301.

It is not an unprimeable number, because it can be changed into a prime (103220323021) 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, 11077620 + ... + 11086933.

It is an arithmetic number, because the mean of its divisors is an integer number (25810623133).

Almost surely, 2103220323321 is an apocalyptic number.

It is an amenable number.

103220323321 is a deficient number, since it is larger than the sum of its proper divisors (22169211).

103220323321 is an equidigital number, since it uses as much as digits as its factorization.

103220323321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22169210.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 103220323321 its reverse (123323022301), we get a palindrome (226543345622).

The spelling of 103220323321 in words is "one hundred three billion, two hundred twenty million, three hundred twenty-three thousand, three hundred twenty-one".

Divisors: 1 4657 22164553 103220323321