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103112231203 = 195426959537
BaseRepresentation
bin110000000000111110…
…1111100100100100011
3100212011001212001212001
41200001331330210203
53142133212344303
6115211420544431
710310134334602
oct1400175744443
9325131761761
10103112231203
113a803191503
1217b980b2117
13995352aa77
144dc251da39
152a3759c31d
hex1801f7c923

103112231203 has 4 divisors (see below), whose sum is σ = 108539190760. Its totient is φ = 97685271648.

The previous prime is 103112231161. The next prime is 103112231213. The reversal of 103112231203 is 302132211301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 302132211301 = 1709176788889.

It is a cyclic number.

It is not a de Polignac number, because 103112231203 - 233 = 94522296611 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19), and also a Moran number because the ratio is a prime number: 5426959537 = 103112231203 / (1 + 0 + 3 + 1 + 1 + 2 + 2 + 3 + 1 + 2 + 0 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103112231213) 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, 2713479750 + ... + 2713479787.

It is an arithmetic number, because the mean of its divisors is an integer number (27134797690).

Almost surely, 2103112231203 is an apocalyptic number.

103112231203 is a deficient number, since it is larger than the sum of its proper divisors (5426959557).

103112231203 is an equidigital number, since it uses as much as digits as its factorization.

103112231203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5426959556.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 103112231203 its reverse (302132211301), we get a palindrome (405244442504).

The spelling of 103112231203 in words is "one hundred three billion, one hundred twelve million, two hundred thirty-one thousand, two hundred three".

Divisors: 1 19 5426959537 103112231203