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103231344133 = 349295791817
BaseRepresentation
bin110000000100100010…
…0010100111000000101
3100212110100222122002001
41200021010110320011
53142404211003013
6115231313545301
710313111642611
oct1401104247005
9325410878061
10103231344133
113a864447845
121800bb75231
139972103ca8
144dd4288341
152a42c79ddd
hex1809114e05

103231344133 has 4 divisors (see below), whose sum is σ = 103527136300. Its totient is φ = 102935551968.

The previous prime is 103231344089. The next prime is 103231344163. The reversal of 103231344133 is 331443132301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 331443132301 = 714668213131.

It can be written as a sum of positive squares in 2 ways, for example, as 94884329089 + 8347015044 = 308033^2 + 91362^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-103231344133 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 (103231344163) 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, 147895560 + ... + 147896257.

It is an arithmetic number, because the mean of its divisors is an integer number (25881784075).

Almost surely, 2103231344133 is an apocalyptic number.

It is an amenable number.

103231344133 is a deficient number, since it is larger than the sum of its proper divisors (295792167).

103231344133 is an equidigital number, since it uses as much as digits as its factorization.

103231344133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295792166.

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 103231344133 its reverse (331443132301), we get a palindrome (434674476434).

The spelling of 103231344133 in words is "one hundred three billion, two hundred thirty-one million, three hundred forty-four thousand, one hundred thirty-three".

Divisors: 1 349 295791817 103231344133