Search a number
-
+
10131313 = 19533227
BaseRepresentation
bin100110101001…
…011101110001
3201001201112211
4212221131301
510043200223
61001052121
7152054233
oct46513561
921051484
1010131313
11579a895
123487041
13213957a
1414ba253
15d51d0d
hex9a9771

10131313 has 4 divisors (see below), whose sum is σ = 10664560. Its totient is φ = 9598068.

The previous prime is 10131311. The next prime is 10131323. The reversal of 10131313 is 31313101.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 31313101 = 283110647.

It is a cyclic number.

It is not a de Polignac number, because 10131313 - 21 = 10131311 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10131293 and 10131302.

It is not an unprimeable number, because it can be changed into a prime (10131311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 266595 + ... + 266632.

It is an arithmetic number, because the mean of its divisors is an integer number (2666140).

Almost surely, 210131313 is an apocalyptic number.

It is an amenable number.

10131313 is a deficient number, since it is larger than the sum of its proper divisors (533247).

10131313 is an equidigital number, since it uses as much as digits as its factorization.

10131313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 533246.

The product of its (nonzero) digits is 27, while the sum is 13.

The square root of 10131313 is about 3182.9723530059. The cubic root of 10131313 is about 216.3823887800.

Adding to 10131313 its reverse (31313101), we get a palindrome (41444414).

It can be divided in two parts, 101 and 31313, that multiplied together give a palindrome (3162613).

The spelling of 10131313 in words is "ten million, one hundred thirty-one thousand, three hundred thirteen".

Divisors: 1 19 533227 10131313