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103112113223 = 714730301889
BaseRepresentation
bin110000000000111110…
…1011111110001000111
3100212011001122002000102
41200001331133301013
53142133200110343
6115211414234315
710310133333620
oct1400175376107
9325131562012
10103112113223
113a8031108a9
1217b9805599b
1399534b9162
144dc24cca47
152a375773b8
hex1801f5fc47

103112113223 has 4 divisors (see below), whose sum is σ = 117842415120. Its totient is φ = 88381811328.

The previous prime is 103112113207. The next prime is 103112113229. The reversal of 103112113223 is 322311211301.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 322311211301 = 370187087601.

It is a cyclic number.

It is not a de Polignac number, because 103112113223 - 24 = 103112113207 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 103112113195 and 103112113204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103112113229) 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 3 ways as a sum of consecutive naturals, for example, 7365150938 + ... + 7365150951.

It is an arithmetic number, because the mean of its divisors is an integer number (29460603780).

Almost surely, 2103112113223 is an apocalyptic number.

103112113223 is a deficient number, since it is larger than the sum of its proper divisors (14730301897).

103112113223 is an equidigital number, since it uses as much as digits as its factorization.

103112113223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14730301896.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 103112113223 its reverse (322311211301), we get a palindrome (425423324524).

The spelling of 103112113223 in words is "one hundred three billion, one hundred twelve million, one hundred thirteen thousand, two hundred twenty-three".

Divisors: 1 7 14730301889 103112113223