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43040303431 = 211326637649
BaseRepresentation
bin101000000101011001…
…101110100101000111
311010002112220221202021
4220011121232211013
51201121304202211
631434503024011
73052402354126
oct500531564507
9133075827667
1043040303431
1117287147004
12841213b007
13409bc08788
1421242a5abd
1511bd88c771
hexa0566e947

43040303431 has 8 divisors (see below), whose sum is σ = 43082474400. Its totient is φ = 42998157312.

The previous prime is 43040303419. The next prime is 43040303437. The reversal of 43040303431 is 13430304034.

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 43040303431 - 27 = 43040303303 is a prime.

It is a super-2 number, since 2×430403034312 (a number of 22 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 = 43040303396 and 43040303405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43040303437) 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 7 ways as a sum of consecutive naturals, for example, 5623095 + ... + 5630743.

It is an arithmetic number, because the mean of its divisors is an integer number (5385309300).

Almost surely, 243040303431 is an apocalyptic number.

43040303431 is a deficient number, since it is larger than the sum of its proper divisors (42170969).

43040303431 is a wasteful number, since it uses less digits than its factorization.

43040303431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12425.

The product of its (nonzero) digits is 5184, while the sum is 25.

Adding to 43040303431 its reverse (13430304034), we get a palindrome (56470607465).

The spelling of 43040303431 in words is "forty-three billion, forty million, three hundred three thousand, four hundred thirty-one".

Divisors: 1 2113 2663 7649 5626919 16162337 20369287 43040303431