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103111303103 = 928311107541
BaseRepresentation
bin110000000000111101…
…0011001111110111111
3100212011000002220201222
41200001322121332333
53142132443144403
6115211345023555
710310123421014
oct1400172317677
9325130086658
10103111303103
113a802708186
1217b97924bbb
1399532944b3
144dc235b70b
152a37467338
hex1801e99fbf

103111303103 has 4 divisors (see below), whose sum is σ = 103122419928. Its totient is φ = 103100186280.

The previous prime is 103111303081. The next prime is 103111303123. The reversal of 103111303103 is 301303111301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 301303111301 = 857351578893.

It is a cyclic number.

It is not a de Polignac number, because 103111303103 - 210 = 103111302079 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 (103111303123) 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, 5544488 + ... + 5563053.

It is an arithmetic number, because the mean of its divisors is an integer number (25780604982).

Almost surely, 2103111303103 is an apocalyptic number.

103111303103 is a deficient number, since it is larger than the sum of its proper divisors (11116825).

103111303103 is an equidigital number, since it uses as much as digits as its factorization.

103111303103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11116824.

The product of its (nonzero) digits is 81, while the sum is 17.

Adding to 103111303103 its reverse (301303111301), we get a palindrome (404414414404).

The spelling of 103111303103 in words is "one hundred three billion, one hundred eleven million, three hundred three thousand, one hundred three".

Divisors: 1 9283 11107541 103111303103