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441131313 = 3733163463
BaseRepresentation
bin11010010010110…
…010000100110001
31010202001210101210
4122102302010301
51400412200223
6111434550333
713634361060
oct3222620461
91122053353
10441131313
11207009537
121038983a9
137051305c
14428301d7
1528ada893
hex1a4b2131

441131313 has 16 divisors (see below), whose sum is σ = 674241536. Its totient is φ = 251309520.

The previous prime is 441131297. The next prime is 441131389. The reversal of 441131313 is 313131144.

It is not a de Polignac number, because 441131313 - 24 = 441131297 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 441131313.

It is not an unprimeable number, because it can be changed into a prime (441131213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24781 + ... + 38682.

It is an arithmetic number, because the mean of its divisors is an integer number (42140096).

Almost surely, 2441131313 is an apocalyptic number.

It is an amenable number.

441131313 is a deficient number, since it is larger than the sum of its proper divisors (233110223).

441131313 is a wasteful number, since it uses less digits than its factorization.

441131313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63804.

The product of its digits is 432, while the sum is 21.

The square root of 441131313 is about 21003.1262672965. The cubic root of 441131313 is about 761.2418023767.

Adding to 441131313 its reverse (313131144), we get a palindrome (754262457).

The spelling of 441131313 in words is "four hundred forty-one million, one hundred thirty-one thousand, three hundred thirteen".

Divisors: 1 3 7 21 331 993 2317 6951 63463 190389 444241 1332723 21006253 63018759 147043771 441131313