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103322231221 = 119392930111
BaseRepresentation
bin110000000111001111…
…1000010000110110101
3100212200201000011201111
41200032133002012311
53143100442344341
6115244321555021
710315264321546
oct1401637020665
9325621004644
10103322231221
113a900784640
12180364a5a71
139987ba6931
1450023864cd
152a4ac2e681
hex180e7c21b5

103322231221 has 4 divisors (see below), whose sum is σ = 112715161344. Its totient is φ = 93929301100.

The previous prime is 103322231171. The next prime is 103322231227. The reversal of 103322231221 is 122132223301.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 122132223301 = 1111102929391.

It is a cyclic number.

It is not a de Polignac number, because 103322231221 - 215 = 103322198453 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 103322231192 and 103322231201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103322231227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4696465045 + ... + 4696465066.

It is an arithmetic number, because the mean of its divisors is an integer number (28178790336).

Almost surely, 2103322231221 is an apocalyptic number.

103322231221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

103322231221 is a deficient number, since it is larger than the sum of its proper divisors (9392930123).

103322231221 is an equidigital number, since it uses as much as digits as its factorization.

103322231221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9392930122.

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

Adding to 103322231221 its reverse (122132223301), we get a palindrome (225454454522).

The spelling of 103322231221 in words is "one hundred three billion, three hundred twenty-two million, two hundred thirty-one thousand, two hundred twenty-one".

Divisors: 1 11 9392930111 103322231221