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441220321031 = 7151619674357
BaseRepresentation
bin1100110101110101100…
…01111100111100000111
31120011212101212122020112
412122322301330330013
524212104400233111
6534405510423235
743606564564040
oct6327261747407
91504771778215
10441220321031
11160136406716
1271617961b1b
13327b747b649
14174d886d8c7
15b7255d1e8b
hex66bac7cf07

441220321031 has 16 divisors (see below), whose sum is σ = 508411983360. Its totient is φ = 375076807200.

The previous prime is 441220320967. The next prime is 441220321039. The reversal of 441220321031 is 130123022144.

It is a cyclic number.

It is not a de Polignac number, because 441220321031 - 26 = 441220320967 is a prime.

It is a super-2 number, since 2×4412203210312 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 441220320988 and 441220321006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (441220321039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 317105 + ... + 991461.

It is an arithmetic number, because the mean of its divisors is an integer number (31775748960).

Almost surely, 2441220321031 is an apocalyptic number.

441220321031 is a deficient number, since it is larger than the sum of its proper divisors (67191662329).

441220321031 is a wasteful number, since it uses less digits than its factorization.

441220321031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 675134.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 441220321031 its reverse (130123022144), we get a palindrome (571343343175).

The spelling of 441220321031 in words is "four hundred forty-one billion, two hundred twenty million, three hundred twenty-one thousand, thirty-one".

Divisors: 1 7 151 619 1057 4333 93469 654283 674357 4720499 101827907 417426983 712795349 2921988881 63031474433 441220321031