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10303131317 is a prime number
BaseRepresentation
bin10011001100001110…
…10100111010110101
3222121001011022010012
421212013110322311
5132100100200232
64422211510005
7513215112503
oct114607247265
928531138105
1010303131317
114407938066
121bb65b8305
13c8274360b
146da50d673
154047d99b2
hex2661d4eb5

10303131317 has 2 divisors, whose sum is σ = 10303131318. Its totient is φ = 10303131316.

The previous prime is 10303131253. The next prime is 10303131331. The reversal of 10303131317 is 71313130301.

10303131317 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6317229361 + 3985901956 = 79481^2 + 63134^2 .

It is a cyclic number.

It is not a de Polignac number, because 10303131317 - 26 = 10303131253 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10303131292 and 10303131301.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10303131337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5151565658 + 5151565659.

It is an arithmetic number, because the mean of its divisors is an integer number (5151565659).

Almost surely, 210303131317 is an apocalyptic number.

It is an amenable number.

10303131317 is a deficient number, since it is larger than the sum of its proper divisors (1).

10303131317 is an equidigital number, since it uses as much as digits as its factorization.

10303131317 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 567, while the sum is 23.

Adding to 10303131317 its reverse (71313130301), we get a palindrome (81616261618).

The spelling of 10303131317 in words is "ten billion, three hundred three million, one hundred thirty-one thousand, three hundred seventeen".