Search a number
-
+
131314303 = 433053821
BaseRepresentation
bin1111101001110…
…11001001111111
3100011002110100201
413310323021333
5232104024203
621010304331
73153103351
oct764731177
9304073321
10131314303
116813a41a
1237b880a7
1321288a93
14136230d1
15b7dce1d
hex7d3b27f

131314303 has 4 divisors (see below), whose sum is σ = 134368168. Its totient is φ = 128260440.

The previous prime is 131314289. The next prime is 131314319. The reversal of 131314303 is 303413131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-131314303 is a prime.

It is a super-3 number, since 3×1313143033 (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131314333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1526868 + ... + 1526953.

It is an arithmetic number, because the mean of its divisors is an integer number (33592042).

Almost surely, 2131314303 is an apocalyptic number.

131314303 is a deficient number, since it is larger than the sum of its proper divisors (3053865).

131314303 is an equidigital number, since it uses as much as digits as its factorization.

131314303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3053864.

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 131314303 is about 11459.2453067381. The cubic root of 131314303 is about 508.2811582987.

Adding to 131314303 its reverse (303413131), we get a palindrome (434727434).

The spelling of 131314303 in words is "one hundred thirty-one million, three hundred fourteen thousand, three hundred three".

Divisors: 1 43 3053821 131314303