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444313431031 = 12723539148627
BaseRepresentation
bin1100111011100110010…
…01001110101111110111
31120110211222002220111011
412131303021032233313
524234423214243111
6540040442453051
744046333564331
oct6356311165767
91513758086434
10444313431031
11161483391a78
127213b804187
1332b8b233552
141770d592451
15b856e19021
hex677324ebf7

444313431031 has 8 divisors (see below), whose sum is σ = 447833999360. Its totient is φ = 440793207288.

The previous prime is 444313431007. The next prime is 444313431041. The reversal of 444313431031 is 130134313444.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 444313431031 - 231 = 442165947383 is a prime.

It is a super-2 number, since 2×4443134310312 (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 = 444313430984 and 444313431002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444313431041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2915140 + ... + 3063766.

It is an arithmetic number, because the mean of its divisors is an integer number (55979249920).

Almost surely, 2444313431031 is an apocalyptic number.

444313431031 is a deficient number, since it is larger than the sum of its proper divisors (3520568329).

444313431031 is a wasteful number, since it uses less digits than its factorization.

444313431031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172293.

The product of its (nonzero) digits is 20736, while the sum is 31.

Adding to 444313431031 its reverse (130134313444), we get a palindrome (574447744475).

The spelling of 444313431031 in words is "four hundred forty-four billion, three hundred thirteen million, four hundred thirty-one thousand, thirty-one".

Divisors: 1 127 23539 148627 2989453 18875629 3498530953 444313431031