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10311243241 = 13793172557
BaseRepresentation
bin10011001101001100…
…10001010111101001
3222121121102102120211
421212212101113221
5132104134240431
64423101421121
7513344056435
oct114646212751
928547372524
1010311243241
114411478732
121bb926a7a1
13c84323980
146db6219c5
1540538d2b1
hex2669915e9

10311243241 has 4 divisors (see below), whose sum is σ = 11104415812. Its totient is φ = 9518070672.

The previous prime is 10311243221. The next prime is 10311243259. The reversal of 10311243241 is 14234211301.

10311243241 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14234211301 = 138731026037.

It can be written as a sum of positive squares in 2 ways, for example, as 1368704016 + 8942539225 = 36996^2 + 94565^2 .

It is a cyclic number.

It is not a de Polignac number, because 10311243241 - 29 = 10311242729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10311243221) 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, 396586266 + ... + 396586291.

It is an arithmetic number, because the mean of its divisors is an integer number (2776103953).

Almost surely, 210311243241 is an apocalyptic number.

It is an amenable number.

10311243241 is a deficient number, since it is larger than the sum of its proper divisors (793172571).

10311243241 is an equidigital number, since it uses as much as digits as its factorization.

10311243241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 793172570.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 10311243241 its reverse (14234211301), we get a palindrome (24545454542).

The spelling of 10311243241 in words is "ten billion, three hundred eleven million, two hundred forty-three thousand, two hundred forty-one".

Divisors: 1 13 793172557 10311243241