Search a number
-
+
313441109 = 1300124109
BaseRepresentation
bin10010101011101…
…011101101010101
3210211210110100222
4102223223231111
51120220103414
651034044125
710524130322
oct2253535525
9724713328
10313441109
11150a24a43
1288b79645
134cc25a17
142d8b1b49
151c7b668e
hex12aebb55

313441109 has 4 divisors (see below), whose sum is σ = 313478220. Its totient is φ = 313404000.

The previous prime is 313441057. The next prime is 313441127. The reversal of 313441109 is 901144313.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 75603025 + 237838084 = 8695^2 + 15422^2 .

It is a cyclic number.

It is not a de Polignac number, because 313441109 - 212 = 313437013 is a prime.

It is a super-2 number, since 2×3134411092 = 196490657622299762, which contains 22 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 (313441129) 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, 947 + ... + 25055.

It is an arithmetic number, because the mean of its divisors is an integer number (78369555).

Almost surely, 2313441109 is an apocalyptic number.

It is an amenable number.

313441109 is a deficient number, since it is larger than the sum of its proper divisors (37111).

313441109 is a wasteful number, since it uses less digits than its factorization.

313441109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37110.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 313441109 is about 17704.2681012235. The cubic root of 313441109 is about 679.2849382110.

The spelling of 313441109 in words is "three hundred thirteen million, four hundred forty-one thousand, one hundred nine".

Divisors: 1 13001 24109 313441109